[Retros] Phénix 183

Thierry LE GLEUHER t.legleuher at hotmail.fr
Sun Jan 24 12:44:30 EST 2010



Dear retro friends
There are (to update the retro corner), retro problems from Phenix 183 (April 2009) issue.
Sincerely
Thierry LE GLEUHER












5894 - Julio Alberto PANCALDO

4k2r/1p2p1p1/1rp1Ppp1/n1pp3b/8/1P5P/PRRPP1P1/4K2Q

+---+---+---+---+---+---+---+---+


| | . |

| . |*K | . | |*R |


+---+---+---+---+---+---+---+---+


| . |*P | . | |*P | |*P |

|


+---+---+---+---+---+---+---+---+


| |*R |*P | . | P |*P |*P | . |


+---+---+---+---+---+---+---+---+


|*N | |*P |*P | . | | . |*B |


+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . | P | . | | . | | . | P |


+---+---+---+---+---+---+---+---+


| P | R | R | P | P | . | P | .

|


+---+---+---+---+---+---+---+---+


| . | | . |

| K | | . | Q |


+---+---+---+---+---+---+---+---+

(11+13)

Add 1 wB, and #2

b) switch
wPh3 <--> wRb2



5895 - Michel CAILLAUD

r1b3r1/pp1p1pqp/2Pk1n1b/1n6/P4R1P/B3Kp2/1PP1P1P1/RN1Q1BN1

+---+---+---+---+---+---+---+---+


|*R | . |*B | . | | . |*R | . |


+---+---+---+---+---+---+---+---+


|*P |*P | . |*P | . |*P |*Q |*P

|


+---+---+---+---+---+---+---+---+


| | . | P |*K | |*N |

|*B |


+---+---+---+---+---+---+---+---+


| . |*N | . | | . | | . |

|


+---+---+---+---+---+---+---+---+


| P | . | | . | | R |

| P |


+---+---+---+---+---+---+---+---+


| B | | . |

| K |*P | . | |


+---+---+---+---+---+---+---+---+


| | P | P | . | P | . | P | . |


+---+---+---+---+---+---+---+---+


| R | N | . | Q | . | B | N

| |


+---+---+---+---+---+---+---+---+

(15+14) C+

Short proof game in 14.5 moves ?

6 last
single moves ?



5896 - Éric PICHOURON

1r4q1/1p1npk2/3b1p2/3p1rp1/b7/p7/PPP1PP2/RNBQKBNR

+---+---+---+---+---+---+---+---+


| |*R |

| . | | . |*Q | . |


+---+---+---+---+---+---+---+---+


| . |*P | . |*N |*P |*K | .

| |


+---+---+---+---+---+---+---+---+


| | . |

|*B | |*P | | . |


+---+---+---+---+---+---+---+---+


| . | | . |*P | . |*R |*P | |


+---+---+---+---+---+---+---+---+


|*B | . | | . | | . |

| . |


+---+---+---+---+---+---+---+---+


|*P | | . |

| . | | . | |


+---+---+---+---+---+---+---+---+


| P | P | P | . | P | P | | . |


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | B | N | R

|


+---+---+---+---+---+---+---+---+

(13+13) C+

Short proof game in 17.0 moves ?



5897 - Gianni DONATI

7r/ppp1bpp1/2p1pk2/nq1nrbp1/8/8/PPP1PPP1/RNBQKBNR

+---+---+---+---+---+---+---+---+


| | . |

| . | | . | |*R |


+---+---+---+---+---+---+---+---+


|*P |*P |*P | |*B |*P |*P | |


+---+---+---+---+---+---+---+---+


| | . |*P | . |*P |*K | | . |


+---+---+---+---+---+---+---+---+


|*N |*Q | . |*N |*R |*B |*P

| |


+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . | |


+---+---+---+---+---+---+---+---+


| P | P | P | . | P | P | P | .

|


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | B | N | R

|


+---+---+---+---+---+---+---+---+

(14+16) C+

Short proof game in 17.0 moves ?



5898 - Gianni DONATI

n5r1/p1pb1ppp/1p4n1/7k/1bp4q/7N/PPP1rPPP/RNBQK2R

+---+---+---+---+---+---+---+---+


|*N | . | | . | | . |*R | . |


+---+---+---+---+---+---+---+---+


|*P | |*P |*B | . |*P |*P |*P |


+---+---+---+---+---+---+---+---+


| |*P |

| . | | . |*N | . |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . |*K |


+---+---+---+---+---+---+---+---+


| |*B |*P | . | | . |

|*Q |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . | N |


+---+---+---+---+---+---+---+---+


| P | P | P | . |*R | P | P | P

|


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | | . | R |


+---+---+---+---+---+---+---+---+

(13+15) C+

Short proof game in 19.0 moves ?



5899 - Nicolas DUPONT

r2q3r/2p1nk2/1Pp4B/1n3p2/1P6/b1pB1P1b/2P1NPPQ/3RKNR1

+---+---+---+---+---+---+---+---+


|*R | . | |*Q | | . |

|*R |


+---+---+---+---+---+---+---+---+


| . | |*P |

|*N |*K | . | |


+---+---+---+---+---+---+---+---+


| | P |*P | . | | . |

| B |


+---+---+---+---+---+---+---+---+


| . |*N | . | | . |*P | . | |


+---+---+---+---+---+---+---+---+


| | P |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


|*B | |*P | B | . | P | . |*B |


+---+---+---+---+---+---+---+---+


| | . | P | . | N | P | P | Q |


+---+---+---+---+---+---+---+---+


| . | | . | R | K | N | R | |


+---+---+---+---+---+---+---+---+

(14+12) C+

Short proof game in 28.0 moves ?



5900 - Alain BROBECKER

& Thierry LE GLEUHER

8/1pp1p3/P1p5/n2P3p/P1p5/NKN1N3/bPPP4/nkB5

+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . |*P |*P | |*P | | . |

|


+---+---+---+---+---+---+---+---+


| P | . |*P | . | | . | | . |


+---+---+---+---+---+---+---+---+


|*N | | . | P | . | | . |*P |


+---+---+---+---+---+---+---+---+


| P | . |*P | . | | . | | . |


+---+---+---+---+---+---+---+---+


| N | K | N | | N | | . |

|


+---+---+---+---+---+---+---+---+


|*B | P | P | P | | . | | . |


+---+---+---+---+---+---+---+---+


|*N |*K | B | | . | | . |

|


+---+---+---+---+---+---+---+---+

(11+10)

Which pieces are on the chessboard B ?

Alice chess



5901 - Alain BROBECKER

composed by computer

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR

+---+---+---+---+---+---+---+---+


|*R |*N |*B |*Q |*K |*B |*N |*R

|


+---+---+---+---+---+---+---+---+


|*P |*P |*P |*P |*P |*P |*P |*P

|


+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . | |


+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . | |


+---+---+---+---+---+---+---+---+


| P | P | P | P | P | P | P | P

|


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | B | N | R

|


+---+---+---+---+---+---+---+---+

(16+16) C+

Find the single game ending with 4. ... Qxe4#

Grid chess



5902 - Henryk GRUDZINSKI

rnbr2k1/p1ppnppp/8/8/8/8/PPP1Pb2/RNBQKBNR

+---+---+---+---+---+---+---+---+


|*R |*N |*B |*R | | . |*K | . |


+---+---+---+---+---+---+---+---+


|*P | |*P |*P |*N |*P |*P |*P |


+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . | |


+---+---+---+---+---+---+---+---+


| | . |

| . | | . | | . |


+---+---+---+---+---+---+---+---+


| . | | . |

| . | | . | |


+---+---+---+---+---+---+---+---+


| P | P | P | . | P |*B | | . |


+---+---+---+---+---+---+---+---+


| R | N | B | Q | K | B | N | R

|


+---+---+---+---+---+---+---+---+

(12+13) C+

Short proof game in 8.0 moves ?

Grid chess



5903 - Étienne DUPUIS

rnb1kb1r/ppp2ppp/5Bn1/1B2p3/P2K3q/3P1P2/1PP3PP/RN2Q1NR

+---+---+---+---+---+---+---+---+


|*R |*N |*B | . |*K |*B | |*R |


+---+---+---+---+---+---+---+---+


|*P |*P |*P | | . |*P |*P |*P |


+---+---+---+---+---+---+---+---+


| | . |

| . | | B |*N | . |


+---+---+---+---+---+---+---+---+


| . | B | . | |*P | | . |

|


+---+---+---+---+---+---+---+---+


| P | . | | K | | . |

|*Q |


+---+---+---+---+---+---+---+---+


| . | | . | P | . | P | . | |


+---+---+---+---+---+---+---+---+


| | P | P | . | | . | P | P |


+---+---+---+---+---+---+---+---+


| R | N | . | | Q | | N | R |


+---+---+---+---+---+---+---+---+

(15+15)

Short proof game in 9.5 moves ?

Elliuortap





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