[Retros] Probleemblad 5-2002

[Joost de Heer]

The Sep-Oct issue of Probleemblad arrived in the mail today, with 5 retro compositions.

Joost
R178 - Andrew Buchanan
r1bqk1sr/pp1ppp1p/5p1b/8/2s2P1P/8/1PPPP3/2BQKB1r
+---+---+---+---+---+---+---+---+

|*R | . |*B |*Q |*K | . |*S |*R |

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

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

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

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

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

| . |   | . |   | . |   | . |   |

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

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

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

| . |   | . |   | . |   | . |   |

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

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

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

| . |   | B | Q | K | B | . |*R |

+---+---+---+---+---+---+---+---+
The four proof games of shortest length

R179 - Rustam Ubaidullajev
B6B/2pppp2/5ssk/p6p/8/5R1S/S1PPPP1q/R1bQKb2
+---+---+---+---+---+---+---+---+

| B | . |   | . |   | . |   | B |

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

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

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

|   | . |   | . |   |*S |*S |*K |

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

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

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

|   | . |   | . |   | . |   | . |

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

| . |   | . |   | . | R | . | S |

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

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

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

| R |   |*B | Q | K |*B | . |   |

+---+---+---+---+---+---+---+---+
SPG 18.5

R180 - Michel Caillaud
rsb1kbr1/pppp1pp1/3p3s/7p/P4P2/6PR/1PPPP1P1/1SBQKBS1
+---+---+---+---+---+---+---+---+

|*R |*S |*B | . |*K |*B |*R | . |

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

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

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

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

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

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

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

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

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

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

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

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

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

| . | S | B | Q | K | B | S |   |

+---+---+---+---+---+---+---+---+
SPG (a) Orthodox (b) Circe
[a is 7.5 moves, b is 8.5 moves long]

R181 - Andrej Frolkin & Andrej Kornilov
2bb2B1/PprRRP1q/2pppKpp/5p2/5k2/P4P1P/2P1PP2/6B1
+---+---+---+---+---+---+---+---+

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

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

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

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

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

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

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

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

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

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

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

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

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

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

| . |   | . |   | . |   | B |   |

+---+---+---+---+---+---+---+---+
Last 2 non-identical checks

R182 - Klaus Wenda & Wolfgang Dittmann
8/8/8/8/3p3p/3p4/1Q6/kr1RK1S1
+---+---+---+---+---+---+---+---+

|   | . |   | . |   | . |   | . |

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

| . |   | . |   | . |   | . |   |

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

|   | . |   | . |   | . |   | . |

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

| . |   | . |   | . |   | . |   |

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

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

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

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

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

|   | Q |   | . |   | . |   | . |

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

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

+---+---+---+---+---+---+---+---+
Retract 4 moves for a s#1
Proca-retractor, Anti-Circe Type Cheylan

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