MESON Chess Problem Database
Problem Display
PID: 93384 (1R1BbN1n/5nQp/ppk2Ppr/b3R1pr/P3N1Bp/7K/8/8 w - - 0 1)
Myllyniemi, Matti Arvo
Shakhmaty v SSSR, 1956
#2
10 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Rxb6#
- 1...Bd2
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bb4
- 2.Rxb6#
- 1...Bd7
- 2.Bxd7#
- 1...Sxe5
- 2.Qb7#
- 1...Sd6
- 2.Qc7#
- 1...Sxd8
- 2.Rc8#
- 1...b5
- 2.Rc5#
- 1...Be1
- Tries
- 1.Kg2?
- 1...Sxe5
- 2.Qb7#
- 1...Sxd8
- 2.Rc8#
- 1...Be1
- 2.Rxb6#
- 1...Bd2
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bb4
- 2.Rxb6#
- 1...Bd7
- 2.Bxd7#
- 1...Sd6
- 2.Qc7#
- 1...b5
- 2.Rc5#
- 1...h3+!
- 1...Sxe5
- 1.Kh2?
- 1...Sxe5
- 2.Qb7#
- 1...Sxd8
- 2.Rc8#
- 1...Be1
- 2.Rxb6#
- 1...Bd2
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bb4
- 2.Rxb6#
- 1...Bd7
- 2.Bxd7#
- 1...Sd6
- 2.Qc7#
- 1...b5
- 2.Rc5#
- 1...h3!
- 1...Sxe5
- 1.Se6?
- threat
- 2.Sd4#
- 1...Kd7
- 2.Sd4#
- 1...Sxe5
- 2.Qb7#
- 1...Bc3!
- threat
- 1.Be6?
- threat
- 2.Bd5#
- 1...Sxe5
- 2.Rc8#
- 2.Qb7#
- 2.Qc7#
- 1...Bd7
- 2.Bxd7#
- 1...g4+!
- threat
- 1.Rb5?
- 1...Sxd8
- 2.Rc8#
- 1...Be1
- 2.R8xb6#
- 1...Bd2
- 2.R8xb6#
- 1...Bc3
- 2.R8xb6#
- 1...Bb4
- 2.R8xb6#
- 1...Bd7
- 2.Bxd7#
- 1...Se5
- 2.Rc8#
- 2.Qb7#
- 2.Qc7#
- 1...Sd6
- 2.Qc7#
- 1...axb5!
- 1...Sxd8
- 1.Re6+?
- 1...Sd6
- 2.Rxd6#
- 2.Qb7#
- 1...Kd5!
- 1...Sd6
- 1.Qxf7?
- threat
- 2.Rc8#
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 2.Qxe8#
- 2.Qb7#
- 2.Qc7#
- 1...Bxf7
- 2.Bd7#
- 1...Bd7
- 2.Bxd7#
- 2.Qc4#
- 2.Qd5#
- 2.Qxd7#
- 1...Bb4
- 2.Rxb6#
- 2.Rc8#
- 2.Qd5#
- 2.Qxe8#
- 2.Qb7#
- 2.Qc7#
- 1...b5
- 2.Rc5#
- 2.Qd5#
- 2.Qe6#
- 2.Qxe8#
- 2.Qb7#
- 1...Sxf7!
- threat
- 1.Qxh7?
- 1...Sxe5
- 2.Qb7#
- 1...Sxd8
- 2.Rc8#
- 1...Bd7
- 2.Bxd7#
- 1...Be1
- 2.Rxb6#
- 1...Bd2
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bb4
- 2.Rxb6#
- 1...Sd6
- 2.Qc7#
- 1...b5
- 2.Rc5#
- 1...Rxh7!
- 1...Sxe5
- 1.Kg2?
- Keys
- 1.Qg8!
- 1...Sxe5
- 2.Qe6#
- 1...Sxd8
- 2.Qc4#
- 1...Bd7
- 2.Bxd7#
- 1...Be1
- 2.Rxb6#
- 1...Bd2
- 2.Rxb6#
- 1...Bc3
- 2.Rxb6#
- 1...Bb4
- 2.Rxb6#
- 1...Sd6
- 2.Qd5#
- 1...b5
- 2.Rc5#
- 1...Sxe5
- 1.Qg8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::R1(H),XP(f)
- B(l);N_GUARD,P_PINB(D)::B(D),XB(l)
- S(j);OGATE,XR(E)::QAB1(G)
- S(j);OGATE::QAR1(G)
- S(j);XB(I)::R(H)
- P(f);N_GUARD::R1(E)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- S(j);OGATE,XR(E)::QAB1(G)
- S(j);XB(I)::R(H)
- B(b);N_GUARD::R1(H),XP(f)
- B(l);N_GUARD::B(D),XB(l)
- S(j);OGATE::QAR1(G)
- P(f);N_GUARD::R1(E)
- Refutation
- P(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- S(j);OGATE,XR(E)::QAB1(G)
- S(j);XB(I)::R(H)
- B(b);N_GUARD::R1(H),XP(f)
- B(l);N_GUARD::B(D),XB(l)
- S(j);OGATE::QAR1(G)
- P(f);N_GUARD::R1(E)
- Refutation
- P(a);
- Try
- S(J);
- Threat
- S(J)
- Vars
- K(g);P_SPINS(j),S_FLIGHT::B(D)+S(J)
- S(j);OGATE,XR(E)::QAB1(G)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- B(D)
- Vars
- B(l);N_GUARD,P_PINB(D)::B(D),XB(l)
- Refutation
- P(c);CHECK
- Try
- R(E);
- Vars
- S(j);XB(I)::R(H)
- B(b);N_GUARD::R1(H),XP(f)
- B(l);N_GUARD,P_PINB(D)::B(D),XB(l)
- S(j);OGATE::QAR1(G)
- Refutation
- P(e);XR(E)
- Try
- R(E);CHECK
- Refutation
- K(g);S_FLIGHT
- Try
- Q(G);XS(j)
- Threat
- DUALS(7)
- Vars
- B(l);N_GUARD,XQ(G)::B(D)
- Refutation
- S(m);XQ(G)
- Try
- Q(G);XP(k)
- Vars
- S(j);OGATE,XR(E)::QAB1(G)
- S(j);XB(I)::R(H)
- B(l);N_GUARD,P_PINB(D)::B(D),XB(l)
- B(b);N_GUARD::R1(H),XP(f)
- S(j);OGATE::QAR1(G)
- P(f);N_GUARD::R1(E)
- Refutation
- R(i);XQ(G)
- Try
- Actual
- Q(G);
- Vars
- S(j);OGATE,XR(E)::QAR2(G)
- S(j);OGATE,XB(I)::QAR2(G)
- B(l);N_GUARD,P_PINB(D)::B(D),XB(l)
- B(b);N_GUARD::R1(H),XP(f)
- S(j);OGATE::QAB1(G)
- P(f);N_GUARD::R1(E)
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