MESON Chess Problem Database
Problem Display
PID: 257810 (6B1/3p4/p2B4/Pp1N4/2pk1p2/3p1P2/1R3P2/2N2K2 w - - 0 1)
Gamza, Grigory Stepanovich
Buletin Problemistic, 1994
#2
9 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...d2
- 2.Rxd2#
- 1...c3
- 2.Rb4#
- 1...d2
- Tries
- 1.Ke1?
- 1...d2+
- 2.Rxd2#
- 1...c3
- 2.Rb4#
- 1...b4!
- 1...d2+
- 1.Kg1?
- 1...c3
- 2.Rb4#
- 1...d2
- 2.Rxd2#
- 1...b4!
- 1...c3
- 1.Kg2?
- 1...c3
- 2.Rb4#
- 1...d2
- 2.Rxd2#
- 1...b4!
- 1...c3
- 1.Sa2?
- 1...d2
- 2.Rxd2#
- 1...c3
- 2.Rb4#
- 1...b4!
- 1...d2
- 1.Sc3?
- 1...Kxc3
- 2.Be5#
- 1...d2
- 2.S3e2#
- 1...b4!
- 1...Kxc3
- 1.Sxf4?
- 1...Kc3
- 2.Be5#
- 1...d2
- 2.Sce2#
- 2.Sfe2#
- 1...c3
- 2.Sb3#
- 2.Rb4#
- 1...b4!
- 1...Kc3
- 1.Bf7?
- 1...c3
- 2.Rb4#
- 1...d2
- 2.Rxd2#
- 1...b4!
- 1...c3
- 1.Ke1?
- Keys
- 1.Sb4!
- 1...Kc3
- 2.Be5#
- 1...d2
- 2.Se2#
- 1...c3
- 2.Sb3#
- 1...Kc3
- 1.Sb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(a);OGATEB::R(C),XP(a)
- P(b);OGATEB::R(C)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(a);CHECK,OGATEB::R(C),XP(a)
- P(b);OGATEB::R(C)
- Refutation
- P(e);
- Try
- K(B);P-FLIGHT
- Vars
- P(b);OGATEB::R(C)
- P(a);OGATEB::R(C),XP(a)
- Refutation
- P(e);
- Try
- K(B);S_FLIGHT
- Vars
- P(b);OGATEB::R(C)
- P(a);OGATEB::R(C),XP(a)
- Refutation
- P(e);
- Try
- S(A);
- Vars
- P(a);OGATEB::R(C),XP(a)
- P(b);OGATEB::R(C)
- Refutation
- P(e);
- Try
- S(G);
- Vars
- K(c);N_GUARD,S_FLIGHT,XS(G)::B(H)
- P(a);N_GUARD::S(G)
- Refutation
- P(e);
- Try
- S(G);XP(d)
- Vars
- K(c);N_GUARD,S_FLIGHT::B(H)
- Refutation
- P(e);
- Try
- B(I);
- Vars
- P(b);OGATEB::R(C)
- P(a);OGATEB::R(C),XP(a)
- Refutation
- P(e);
- Try
- Actual
- S(G);
- Vars
- K(c);N_GUARD,S_FLIGHT::B(H)
- P(a);N_GUARD::S(A)
- P(b);N_GUARD,SBLOCK::S(A)
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