MESON Chess Problem Database
Problem Display
PID: 270475 (5R1N/1pp5/b3P2p/q5kp/rr4pp/BnP2P1P/8/1B2RQ1K w - - 0 1)
Simoni, Francesco
KobulChess, 2016
(First published on Tue Aug 16 2016)
#2
11 + 12
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qb6
- 2.Re5#
- 2.Rf5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Rxf5#
- 1...Rc4
- 2.Be7#
- 1...Rd4
- 2.Be7#
- 1...Re4
- 2.Be7#
- 1...Rb5
- 2.Be7#
- 1...Rb6
- 2.Be7#
- 1...Bc4
- 2.f4#
- 1...Bb5
- 2.Re5#
- 2.Rf5#
- 1...Sd4
- 2.Bc1#
- 2.f4#
- 1...Sc5
- 2.Re5#
- 2.Rf5#
- 1...b5
- 2.Re5#
- 2.Rf5#
- 1...c5
- 2.Re5#
- 2.Rf5#
- 1...Qb6
- Tries
- 1.Be4?
- threat
- 2.f4#
- 1...Rxe4
- 2.Be7#
- 1...gxf3
- 2.Qg1#
- 1...gxh3
- 2.Qg1#
- 1...Qf5
- 2.Rxf5#
- 1...Qe5!
- threat
- 1.Bxb4?
- threat
- 2.Be7#
- 2.f4#
- 1...Qxb4
- 2.Re5#
- 2.Rf5#
- 1...gxf3
- 2.Be7#
- 2.Qg1#
- 1...gxh3
- 2.Be7#
- 2.Qg1#
- 1...Qf5
- 2.Rxf5#
- 1...Qc5
- 2.f4#
- 1...Qd5
- 2.Be7#
- 1...Qe5
- 2.Rxe5#
- 1...Sc5
- 2.Re5#
- 2.Rf5#
- 2.f4#
- 1...c5
- 2.Re5#
- 2.Rf5#
- 2.f4#
- 1...Rxb4!
- threat
- 1.Re4?
- threat
- 2.f4#
- 1...Rxe4
- 2.Be7#
- 1...gxf3
- 2.Qg1#
- 1...gxh3
- 2.Qg1#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5!
- threat
- 1.Qd3?
- threat
- 2.Qg6#
- 2.Qd8#
- 1...Qf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Qc5
- 2.Qg6#
- 1...Qd5
- 2.Qg6#
- 2.Qxd5#
- 1...Qe5
- 2.Rxe5#
- 2.Qg6#
- 1...Rd4
- 2.Be7#
- 2.Qg6#
- 1...Re4
- 2.Be7#
- 2.Qd8#
- 1...Rf4
- 2.Qg6#
- 1...Sd4
- 2.Bc1#
- 2.Qg6#
- 2.Qd2#
- 2.Qe3#
- 2.f4#
- 1...c5
- 2.Re5#
- 2.Rf5#
- 2.Qf5#
- 2.Qg6#
- 2.Qd5#
- 1...c6
- 2.Qg6#
- 1...Bxd3!
- threat
- 1.Qb5+?
- 1...Rxb5
- 2.Be7#
- 1...Bxb5
- 2.Re5#
- 2.Rf5#
- 1...Sc5
- 2.Re5#
- 2.Rf5#
- 1...c5
- 2.Re5#
- 2.Rf5#
- 1...Qxb5!
- 1...Rxb5
- 1.c4?
- threat
- 2.f4#
- 1...Rxc4
- 2.Be7#
- 1...gxf3
- 2.Qg1#
- 1...gxh3
- 2.Qg1#
- 1...Qf5
- 2.Rxf5#
- 1...Qe5
- 2.Rxe5#
- 1...Qd5!
- threat
- 1.Be4?
- Keys
- 1.Qc4!
- threat
- 2.f4#
- 1...Rxc4
- 2.Be7#
- 1...gxf3
- 2.Rg1#
- 1...gxh3
- 2.Rg1#
- 1...Qd5
- 2.Qxd5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Rxf5#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- Q(f);N_GUARD::R(B),XQ(f)
- Q(f);N_GUARD::R1(J),XQ(f)
- R(c);OGATE::B(E)
- B(i);S_CUTR(c)::P(G)
- Tries
- Try
- B(A);
- Threat
- P(G)
- Vars
- R(c);OGATE,XB(A)::B(E)
- P(d);OGATEB,XP(G)::QAR(C)
- P(d);OGATEB,XP(H)::QAR(C)
- Q(f);N_GUARD::R1(J),XQ(f)
- Refutation
- Q(f);
- Try
- B(E);XR(c)
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD::R1(J),XQ(f)
- Q(f);::P(G)
- Q(f);P_PINP(G)::B(E)
- Q(f);N_GUARD::R(B),XQ(f)
- Refutation
- R(b);XB(E)
- Try
- R(B);
- Threat
- P(G)
- Vars
- R(c);OGATE,XR(B)::B(E)
- P(d);OGATEB,XP(G)::QAR(C)
- P(d);OGATEB,XP(H)::QAR(C)
- Q(f);N_GUARD::R(B),XQ(f)
- Refutation
- Q(f);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(f);::QAR1(C)
- R(c);::QAR1(C)
- P(l);::QAR1(C)
- Refutation
- B(i);XQ(C)
- Try
- Q(C);CHECK
- Vars
- R(c);OGATE,XQ(C)::B(E)
- Refutation
- Q(f);XQ(C)
- Try
- P(F);
- Threat
- P(G)
- Vars
- R(c);OGATE,XP(F)::B(E)
- P(d);OGATEB,XP(G)::QAR(C)
- P(d);OGATEB,XP(H)::QAR(C)
- Q(f);N_GUARD::R1(J),XQ(f)
- Q(f);N_GUARD::R(B),XQ(f)
- Refutation
- Q(f);P_PINP(G)
- Try
- Actual
- Q(C);
- Threat
- P(G)
- Vars
- R(c);OGATE,XQ(C)::B(E)
- P(d);OGATEB,XP(G)::R(B)
- P(d);OGATEB,XP(H)::R(B)
- Q(f);N_GUARD,P_PINP(G)::QAR(C),XQ(f)
- Q(f);N_GUARD::R(B),XQ(f)
- Q(f);N_GUARD::R1(J),XQ(f)
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