[Retros] Die Schwalbe Heft 237, Juni 2009

[Bernd Gräfrath]

Hi there,

I would like to correct a small mistake in the comment to the solution of my 13944:
It should read "PHOENIX rook vs original rook".

Best wishes,

Bernd



> -----Ursprüngliche Nachricht-----

> Von: "Joost de Heer" <joost at sanguis.xs4all.nl>

> Gesendet: 26.06.09 14:55:39

> An: The Retrograde Analysis Mailing List <retros at janko.at>

> Betreff: [Retros] Die Schwalbe Heft 237, Juni 2009




> 14123 - Unto Heinonen

> 3qkbsr/3ppppp/8/8/8/8/PPPPPP2/RSBQK3 (11+10)

> SPG 10.0

> 

> 14124 - Alexei Gasparjan

> 4b2r/pQp2pb1/s2qppkp/5s2/8/3P3S/PPPP3P/RSB2RK1 (13+13)

> SPG 19.0

> 

> 14125 - Bernd Gräfrath

> rsbq1bsr/p1p1pppp/3k4/3p4/8/QP6/2PPPPPP/KS3BSR (13+15)

> SPG 8.5, Madrasi

> 

> 14126 - Henryk Grudzinski

> 1sbqkb1r/p1pppp2/8/8/8/8/P1PPP1PP/RS1QKBSR (13+11)

> SPG 9.5, Einstein

> 

> 14127 - René Jean Millour

> 1R6/P4P2/2K4P/5P2/8/1S4P1/2P5/sb1rkqbs (9+7)

> -8 & #1, Proca retractor, Marscirce

> 

> 14129 - Werner Keym

> In an illegal cluster with (a) 2 white pieces and 2 black pieces (b) 3 

> white pieces and 1 black piece should the sum of the smallest distances 

> between the diagram position and the origin square (either original or 

> promotion) be as large as possible (example: Distance from origin square 

> for a wBf4 is not sqrt(18) (distance to c1) but 4 (distance to f8).

> Original text: In einem Illegal Cluster mit (a) zwei weißen Steinen und 

> zwei schwarzen, (b) drei weißen Steinen und einem schwarze soll die 

> Summe der kleinsten Abstände der Standfelder der (vier) Steine zu inhren 

> Partieanfangs- oder Umwandlungsfeldern möglichst groß sein. (Beispiel: 

> Für den wLf4 beträgt der kleinste Abstand 4, nämlich vron f4 bis f8, und 

> nicht ca. 4,2 von f4 bis c1).

> 

> SOLUTIONS HEFT 234

> 

> 13940 - Tüngler

> 

>    1.Kb4-a4   2.Bb1-c2   3.Bc2-d1   4.Bd1-e2   5.Be2-f1   6.Bf1-h3 

> 7.Bh3-g4   8.Bg4-h5   9.Bh5-e8  10.Be8-d7  11.Bd7-c8  12.Bc8-a6 

> 13.Ba6*b5  14.Bb5-a6  15.Ba6-c8  16.Bc8-d7  17.Bd7-e8  18.Be8-h5 

> 19.Bh5-g4  20.Bg4-h3  21.Bh3-f1  22.Bf1-e2  23.Be2-d1  24.Bd1-b3 

> 25.Ka4-b4  26.Kb4-c3  27.Bb3-c2  28.Kc3-d2  29.Kd2-d1  30.Bc2-a4 

> 31.Ba4-b5  32.Bb5-a6  33.Ba6-c8  34.Bc8-d7  35.Bd7-e8  36.Be8-h5 

> 37.Bh5-g4  38.Bg4-h3  39.Bh3-f1  40.Bf1-e2  41.Kd1-e1  42.Ke1-f1 

> 43.Kf1-g2  44.Kg2-h3  45.Be2-d1  46.Bd1-a4  47.Ba4-b5  48.Bb5-a6 

> 49.Ba6-c8  50.Bc8-d7  51.Bd7-e8  52.Be8-h5  53.Bh5-g4  54.Kh3-h4 

> 55.Kh4-h5  56.Bg4-h3  57.Bh3-f1  58.Bf1-e2  59.Be2-d1  60.Bd1-a4 

> 61.Ba4-b5  62.Bb5-a6  63.Ba6-c8  64.Bc8-d7  65.Bd7-e8  66.Be8-g6 

> 67.Kh5-h6  68.Kh6-g7  69.Bg6-f7  70.Kg7-f8  71.Kf8-e8  72.Bf7-h5 

> 73.Bh5-g4  74.Bg4-h3  75.Bh3-f1  76.Bf1-e2  77.Be2-d1  78.Bd1-a4 

> 79.Ba4-b5  80.Bb5-a6  81.Ba6-c8  82.Bc8-d7  83.Ke8*d8  84.Kd8-e8 

> 85.Bd7-c8  86.Bc8-a6  87.Ba6-b5  88.Bb5-a4  89.Ba4-d1  90.Bd1-e2 

> 91.Be2-f1  92.Bf1-h3  93.Bh3-g4  94.Bg4-h5  95.Bh5-f7  96.Ke8-f8 

> 97.Kf8-g7  98.Bf7-g6  99.Kg7-h6 100.Kh6-h5 101.Bg6-e8 102.Be8-d7 

> 103.Bd7-c8 104.Bc8-a6 105.Ba6-b5 106.Bb5-a4 107.Ba4-d1 108.Bd1-e2 

> 109.Be2-f1 110.Bf1-h3 111.Bh3-g4 112.Kh5-h4 113.Kh4-h3 114.Bg4-h5 

> 115.Bh5-e8 116.Be8-d7 117.Bd7-c8 118.Bc8-a6 119.Ba6-b5 120.Bb5-a4 

> 121.Ba4-d1 122.Bd1-e2 123.Kh3-g2 124.Kg2-f1 125.Kf1-e1 126.Ke1-d1 

> 127.Be2-f1 128.Bf1-h3 129.Bh3-g4 130.Bg4-h5 131.Bh5-e8 132.Be8-d7 

> 133.Bd7-c8 134.Bc8-a6 135.Ba6-b5 136.Bb5-a4 137.Ba4-c2 138.Kd1-d2 

> 139.Kd2-c3 140.Bc2-b3 141.Kc3-b4 142.Kb4-a4 143.Bb3-d1 144.Bd1-e2 

> 145.Be2-f1 146.Bf1-h3 147.Bh3-g4 148.Bg4-h5 149.Bh5-e8 150.Be8-d7 

> 151.Bd7-c8 152.Bc8-a6 153.Ba6-b5 154.Ka4*a5 155.Ka5-a4 156.Bb5-a6 

> 157.Ba6-c8 158.Bc8-d7 159.Bd7-e8 160.Be8-h5 161.Bh5-g4 162.Bg4-h3 

> 163.Bh3-f1 164.Bf1-e2 165.Be2-d1 166.Bd1-b3 167.Ka4-b4 168.Kb4-c3 

> 169.Bb3-c2 170.Kc3-d2 171.Kd2-d1 172.Bc2-a4 173.Ba4-b5 174.Bb5-a6 

> 175.Ba6-c8 176.Bc8-d7 177.Bd7-e8 178.Be8-h5 179.Bh5-g4 180.Bg4-h3 

> 181.Bh3-f1 182.Bf1-e2 183.Kd1-e1 184.Ke1-f1 185.Kf1-g2 186.Kg2-h3 

> 187.Be2-d1 188.Bd1-a4 189.Ba4-b5 190.Bb5-a6 191.Ba6-c8 192.Bc8-d7 

> 193.Bd7-e8 194.Be8-h5 195.Bh5-g4 196.Kh3-h4 197.Kh4-h5 198.Bg4-h3 

> 199.Bh3-f1 200.Bf1-e2 201.Be2-d1 202.Bd1-a4 203.Ba4-b5 204.Bb5-a6 

> 205.Ba6-c8 206.Bc8-d7 207.Bd7-e8 208.Be8-g6 209.Kh5-h6 210.Kh6-g7 

> 211.Bg6-f7 212.Kg7-f8 213.Kf8-e8 214.Bf7-h5 215.Bh5-g4 216.Bg4-h3 

> 217.Bh3-f1 218.Bf1-e2 219.Be2-d1 220.Bd1-a4 221.Ba4-b5 222.Bb5-a6 

> 223.Ba6-c8 224.Bc8-d7 225.Ke8-d8 226.Kd8-c8 227.Bd7-e8 228.Be8-h5 

> 229.Bh5-g4 230.Bg4-h3 231.Bh3-f1 232.Bf1-e2 233.Be2-d1 234.Bd1-b3 

> 235.Kc8-b7 236.Kb7*a7 237.Ka7-b7 238.Kb7-c8 239.Bb3-d1 240.Bd1-e2 

> 241.Be2-f1 242.Bf1-h3 243.Bh3-g4 244.Bg4-h5 245.Bh5-e8 246.Be8-d7 

> 247.Kc8-d8 248.Kd8-e8 249.Bd7-c8 250.Bc8-a6 251.Ba6-b5 252.Bb5-a4 

> 253.Ba4-d1 254.Bd1-e2 255.Be2-f1 256.Bf1-h3 257.Bh3-g4 258.Bg4-h5 

> 259.Bh5-f7 260.Ke8-f8 261.Kf8-g7 262.Bf7-g6 263.Kg7-h6 264.Kh6-h5 

> 265.Bg6-e8 266.Be8-d7 267.Bd7-c8 268.Bc8-a6 269.Ba6-b5 270.Bb5-a4 

> 271.Ba4-d1 272.Bd1-e2 273.Be2-f1 274.Bf1-h3 275.Bh3-g4 276.Kh5-h4 

> 277.Kh4-h3 278.Bg4-h5 279.Bh5-e8 280.Be8-d7 281.Bd7-c8 282.Bc8-a6 

> 283.Ba6-b5 284.Bb5-a4 285.Ba4-d1 286.Bd1-e2 287.Kh3-g2 288.Kg2-f1 

> 289.Kf1-e1 290.Ke1-d1 291.Be2-f1 292.Bf1-h3 293.Bh3-g4 294.Bg4-h5 

> 295.Bh5-e8 296.Be8-d7 297.Bd7-c8 298.Bc8-a6 299.Ba6-b5 300.Bb5-a4 

> 301.Ba4-c2 302.Kd1-d2 303.Kd2-c3 304.Bc2-b3 305.Kc3-b4 306.Kb4-a4 

> 307.Bb3-d1 308.Bd1-e2 309.Be2-f1 310.Bf1-h3 311.Bh3-g4 312.Bg4-h5 

> 313.Bh5-e8 314.Be8-d7 315.Bd7-c8 316.Bc8-a6 317.Ba6-b5 318.Ka4-a5 

> 319.a3-a4 320.Be5-d4

> 

> 13941 - le Gleuher

> 

> Start from the following position:

> r3k2s/ppp1ppRb/3p2pK/5p2/1b3P1S/3P1P1B/PPP2PP1/4S1B1

> 1... O-O-O 2. Rg8 Kd7 3. Kg7 Ra8 4. Rc8 Rb8 5. Kf8 Ke6 6. Ke8 Kf6 7. Kd7 

> Ba5 8. Rg8 Bb4 9. Rg7 Bg8 10. Rh7 Ra8 11. Rh5 Bh7 12. Bh2 Rg8 13. Bg1 

> Kg7 14. Bh2 Kf8 15. Kc8 Ke8 16. Kb8 Kd8 17. Ka8 Kc8 18. Bg1 Rd8 19. Bh2 

> Bg8 20. Bg1 Rd7 21. Bh2 Kd8 22. Kb8 Ke8 23. Bg1 Kf8 24. Bh2 Kg7 25. Rh7+ 

> Kf6 26. Rg7 Bh7 27. Rg8 Ba5 28. Rc8 Rd8 29. Bg1 Rg8 30. Bh2 Rg7 31. Rg8 

> Bb4 32. Kc8 Ba5 33. Kd8 Bb4 34. Ke8 Ke6 35. Kf8 Kd7 36. Bg1 Kc8 37. Ke8 

> Kb8 38. Rf8 Bg8 39. Kd8 Ka8 40. Kc8 Rh7 41. Rd8 Rh5 42. Rd7 Rg5 43. Kd8 

> Rg3 44. Bg4 Bh7 45. Ke8 Rh3 46. Kf8 Rh1 47. Kg7 Bc3+ 48. Kh6 Bg7+ 49. 

> Kg5 Bf8 50. Bh2 Rf1 51. Bh3

> So with black to move the position is legal (49.5 moves since castling).

> 

> 1... O-O-O 2. Rg8 Kd7 3. Kg7 Ra8 4. Rc8 Rb8 5. Kf8 Ke6 6. Ke8 Kf6 7. Kd7 

> Ba5 8. Rg8 Bb4 9. Rg7 Bg8 10. Rh7 Ra8 11. Rh5 Bh7 12. Bh2 Rg8 13. Bg1 

> Kg7 14. Bh2 Kf8 15. Kc8 Ke8 16. Kb8 Kd8 17. Ka8 Kc8 18. Bg1 Rd8 19. Bh2 

> Bg8 20. Bg1 Rd7 21. Bh2 Kd8 22. Kb8 Ke8 23. Bg1 Kf8 24. Bh2 Kg7 25. Rh7+ 

> Kf6 26. Rg7 Bh7 27. Rg8 Ba5 28. Rc8 Rd8 29. Bg1 Rg8 30. Bh2 Rg7 31. Rg8 

> Bb4 32. Kc8 Ba5 33. Kd8 Ke6 34. Ke8 Bb4 35. Kf8 Kd7 36. Bg1 Kc8 37. Ke8 

> Kb8 38. Rf8 Bg8 39. Kd8 Ka8 40. Kc8 Rh7 41. Rd8 Rh5 42. Rd7 Rg5 43. Kd8 

> Rg3 44. Bg4 Rh3 45. Ke8 Rh1 46. Bh3 Bh7 47. Kf8 Ba5 48. Kg7 Bc3+ 49. Kh6 

> Bg7+ 50. Kg5 Bf8 51. Bh2 Rf1

> So with white move move the position is a draw (50.0 moves since castling).

> 

> So #1 with 1...f6# and not 1.Rd8#?

> 

> 13942 - Osorio, Lois

> 1. f4 e6 2. f5 Ba3 3. f6 Qe7 4. fxe7 f5 5. b4 Kf7 6. e8=N c5 7. Nc7 Nf6 

> 8. Na6 bxa6 9. b5 Bb7 10. b6 Bf3 11. b7 Nc6 12. b8=N Ne7 13. Nc6 Rhb8 

> 14. e4 Rb3 15. e5 Rc3 16. dxc3 dxc6 17. Be3 Nd7 18. Bf2 Nb8 19. Qd7 Kg6 

> 20. Bd3 Ng8

> Two white CF-knights, black knight swap.

> 

> 13943 - Gräfrath

> 1. g4 d5 2. g5 Qd6 3. g6 Qxh2 4. gxf7+ Qxg1 5. fxe8=N Qxf1+ 6. Nxc7 Qxe1 

> 7. Rxe1 e5 8. Nxd5 e4 9. Nf4 Nd7 10. Nh3 Ne5 11. Ng1

> Knight Pronkin

> 

> 13944 - Gräfrath

> a) 1. d3 Nc6 2. d4 Nxd4 3. Qxd4 d6 4. Qa4+ d5 5. Qxa7 d4 6. Qxa8 d3 7. 

> Qa3 d2+ 8. Qf3 Qd3+ 9. c3 d1=R

> b) 1. d3 Nc6 2. d4 Nxd4 3. Qxd4 a6 4. Qxd7+ Ra7 5. Qd6 Qd7 6. Qxa6 Qd6 

> 7. Qa3 Ra4 8. Qf3 Rd4 9. c3 Rd1

> Pronkin rook vs original rook.

> 

> 13945 - Heinonen

> 1. g3 d5 2. Bg2 Bg4 3. Be4 Sd7 4. Bh7[Bc8] Rh3 5. b3 Sh6 6. Sh3[Sg8] Sf6 

> 7. OO Sh5 8. Re1 Be2[Bf1] 9. Re7[Rh8] Ba3 10. Sa3[Sb8] Ke7 11. f3 Kf6 

> 12. Kf1[Ke8] Qd6 13. Qg1 Kg6 14. Qa7[Qd8] Ra3 15. Ba3[Bf8] Qg3[Qd1] 16. 

> Rd1[Ra8] Kh7

> White homebase on foreign grounds.

> 

> 13946 - Weeth

> -1. Ra1*Bb1[Rh1] Qc8-b8 -2. c7*Bb8=R[Ra1] (thr: -3. b6-b7 & 1. Bb7 

> Qb7[Qd8]#) Rh1-h7! -3. Re6-e8 & 1. Bh1[Bf1] Qe6[Qd8]#

> 

> Thematic tries:

> -2. c7*Sb8=R[Ra1]? and the black knight can uncapture something.

> -2. c7*Qb8=R[Ra1]? and no threat: -3. b6-b7 & 1. Bb7 Qbb7[Qd8] 2. Kc2

> -2. Ra8*Rb8[Ra1]? Rd7-h7!! (no retro-check!) and the d-file is blocked: 

> -3. b6-b7 & 1. Bb7 Qb7[Qd8] 2. Sc2!

> 

> 13497 - Brobecker

> 1. c4 f5 2. Qa4 Kf7 3. Qd7 Kg6 4. Qc6 Qd6 5. Qc6-e8#

> 

> 13498 - Brobecker

> 1. f4 e5 2. Kf2 Qf6 3. Kg3 Be7 4. fe5 d5 5. ed6ep Be7xPd6#

> 

> 13499 - Keym

> wKg1 wRf1 wPa2 wPb2 wPe2 wPf2 / bKa1. After removing e2, the last moves 

> were -1. OO Kb1*Sa1

> The symmetric position wKc1 wRd1 wPd2 wPe2 wPg2/h3 wPh2 is a try: After 

> removing e2, the position with the pawn on g2 is still illegal, and with 

> the pawn on h3, the last two moves aren't exactly determined.

> 

> 13950 - Keym

> The largest distance are the two positions wKb8 wBa7 bKg1 and wKg8 wBh7 

> bKb1 (sqrt(58)+sqrt(53) ~ 14.9

> The second-largest is the unique position wKa8 wBa1 bKb2 with distance 

> sqrt(65)+sqrt(45) ~ 14.8

> 

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