MESON Chess Problem Database
Problem Display
PID: 231239 (1B2N3/NP2p3/BRP1p2p/2pkPb1R/p2p4/K4P2/1PP3p1/6Q1 w - - 0 1)
Gavrilov, Constantin Grigorievich
Revista de Sah, 1927
#2
14 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.Sc7#
- 1...Bd3
- 2.Sc7#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 1...Bg4
- 2.Sc7#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...d3
- 2.c4#
- 1...c4
- 2.Rb5#
- 1...Bxc2
- Tries
- 1.Ka2?
- 1...Bxc2
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 1...Bg4
- 2.Sc7#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...d3
- 2.c4#
- 1...a3!
- 1...Bxc2
- 1.Kxa4?
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 1...Bg4
- 2.Sc7#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...d3
- 2.c4#
- 1...Bxc2+!
- 1...c4
- 1.Bd3?
- 1...c4
- 2.Rb5#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 2.fxe4#
- 1...Bg4
- 2.Sc7#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...Bxd3!
- 1...c4
- 1.Bb5?
- 1...Bxc2
- 2.Sc7#
- 1...Bd3
- 2.Sc7#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 1...Bg4
- 2.Sc7#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...d3
- 2.c4#
- 1...c4!
- 1...Bxc2
- 1.Rxf5?
- threat
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...exf5!
- threat
- 1.Rb3?
- 1...Bxc2
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 1...Bg4
- 2.Sc7#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...d3
- 2.c4#
- 1...axb3!
- 1...Bxc2
- 1.Rb4?
- threat
- 2.Bc4#
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...cxb4+!
- threat
- 1.Qh2?
- threat
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...d3!
- threat
- 1.Qe3?
- threat
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...dxe3!
- threat
- 1.Qd1?
- threat
- 2.c4#
- 1...Bxc2
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...d3!
- threat
- 1.Qe1?
- threat
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 2.Qa5#
- 1...d3!
- threat
- 1.Qxg2?
- 1...Bxc2
- 2.Sc7#
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...Bh3
- 2.Sc7#
- 1...Be4
- 2.Sc7#
- 2.fxe4#
- 1...Bg4
- 2.Sc7#
- 2.fxg4#
- 1...Bg6
- 2.Sc7#
- 1...Bh7
- 2.Sc7#
- 1...d3!
- 1...Bxc2
- 1.b3?
- threat
- 2.Bc4#
- 1...c4
- 2.Rb5#
- 1...Bd3
- 2.Sc7#
- 1...axb3!
- threat
- 1.c3?
- threat
- 2.c4#
- 1...c4
- 2.Rb5#
- 2.Qxd4#
- 1...Bd3
- 2.Sc7#
- 1...dxc3!
- threat
- 1.Ka2?
- Keys
- 1.Sb5!
- 1...Kc4
- 2.Sc3#
- 2.Sbc7#
- 1...Bxc2
- 2.Sbc7#
- 1...Bd3
- 2.Sbc7#
- 1...Bh3
- 2.Sbc7#
- 1...Be4
- 2.Sbc7#
- 1...Bg4
- 2.Sbc7#
- 1...Bg6
- 2.Sbc7#
- 1...Bh7
- 2.Sbc7#
- 1...d3
- 2.Sc3#
- 1...c4
- 2.Qxd4#
- 1...Kc4
- 1.Sb5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(f);XP(C)::S(N)
- B(f);::S(N)
- P(c);N_GUARD::P(C)
- P(d);OGATEB,SBLOCK::R(I)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- B(f);XP(C)::S(N)
- P(d);OGATEB,SBLOCK::R(I)
- B(f);::S(N)
- P(c);N_GUARD::P(C)
- Refutation
- P(b);
- Try
- K(D);P-FLIGHT,XP(b)
- Vars
- P(d);OGATEB,SBLOCK::R(I)
- B(f);::S(N)
- P(c);N_GUARD::P(C)
- Refutation
- B(f);CHECK,XP(C)
- Try
- B(H);
- Vars
- P(d);OGATEB::R(I)
- B(f);::S(N)
- Refutation
- B(f);XB(H)
- Try
- B(H);
- Vars
- B(f);XP(C)::S(N)
- B(f);::S(N)
- P(c);N_GUARD::P(C)
- Refutation
- P(d);
- Try
- R(G);XB(f)
- Threat
- S(N)
- Vars
- P(d);OGATEB,SBLOCK::R(I)
- Refutation
- P(g);XR(G)
- Try
- R(I);
- Vars
- B(f);XP(C)::S(N)
- P(d);OGATEB,SBLOCK::R(I)
- B(f);::S(N)
- P(c);N_GUARD::P(C)
- Refutation
- P(b);XR(I)
- Try
- R(I);
- Threat
- B(H)
- Vars
- P(d);OGATEB,SBLOCK::R(I)
- B(f);::S(N)
- Refutation
- P(d);CHECK,XR(I)
- Try
- Q(A);
- Threat
- S(N)
- Vars
- P(d);OGATEB,SBLOCK::R(I)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- S(N)
- Vars
- P(d);OGATEB,SBLOCK::R(I)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);P_PINP(c)
- Threat
- P(C)
- Vars
- B(f);XP(C)::S(N)
- P(d);OGATEB,SBLOCK::R(I)
- B(f);N_SPINP(c)::S(N)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- S(N)
- Refutation
- P(c);
- Try
- Q(A);XP(a)
- Vars
- B(f);XP(C)::S(N)
- P(d);OGATEB,SBLOCK::R(I)
- B(f);::S(N)
- Refutation
- P(c);
- Try
- P(B);
- Threat
- B(H)
- Vars
- P(d);OGATEB::R(I)
- B(f);::S(N)
- Refutation
- P(b);XP(B)
- Try
- P(C);
- Threat
- P(C)
- Vars
- B(f);::S(N)
- Refutation
- P(c);XP(C)
- Try
- Actual
- S(K);
- Vars
- B(f);XP(C)::S(K)
- B(f);::S(K)
- P(c);N_GUARD::S(K)
- P(d);N_GUARD::QAR1(A),XP(c)
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