MESON Chess Problem Database
Problem Display
PID: 225619 (4B3/3PK3/6pN/r3kPp1/8/p3B1P1/3R1Nr1/5b1Q w - - 0 1)
Mihalco, Oto
Comm., Praca, 2000
#2
10 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sfg4#
- 2.Bd4#
- 2.Qe4#
- 1...Rxf2
- 2.Bd4#
- 1...Rh2
- 2.Sfg4#
- 2.Bd4#
- 2.Qe4#
- 1...Rxg3
- 2.Qe4#
- 1...Be2
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bb5
- 2.Qa1#
- 1...Ba6
- 2.Qa1#
- 1...g4
- 2.Bf4#
- 1...gxf5
- 2.Sf7#
- 1...Rg1
- Tries
- 1.Bxg5?
- threat
- 2.Bf4#
- 2.Bf6#
- 1...Rxf2
- 2.Bf6#
- 1...Rxg3
- 2.Qe4#
- 1...Ra4
- 2.Bf6#
- 1...Ra6
- 2.Bf4#
- 1...Bd3!
- threat
- 1.Bxg6?
- threat
- 2.Shg4#
- 2.Sf7#
- 1...Rxg3
- 2.Sf7#
- 2.Qe4#
- 1...Ra4
- 2.Sf7#
- 1...Be2
- 2.Sf7#
- 2.Qa1#
- 1...Bc4
- 2.Shg4#
- 2.Qa1#
- 1...g4
- 2.Shxg4#
- 2.Sf7#
- 2.Bf4#
- 1...Bd3!
- threat
- 1.Rd4?
- threat
- 2.Sfg4#
- 1...Rxf2
- 2.Qe4#
- 1...Rxg3
- 2.Qe4#
- 1...gxf5
- 2.Sf7#
- 1...g4
- 2.Sfxg4#
- 1...Be2!
- threat
- 1.Rd6?
- threat
- 2.Bd4#
- 1...Rxg3
- 2.Re6#
- 2.Qe4#
- 1...Rd5
- 2.Re6#
- 1...Ra4!
- threat
- 1.Qxg2?
- threat
- 2.Sfg4#
- 2.Bd4#
- 2.Qe4#
- 1...gxf5
- 2.Sf7#
- 2.Bd4#
- 1...Ra4
- 2.Rd5#
- 2.Qd5#
- 1...Rd5
- 2.Sfg4#
- 2.Rxd5#
- 2.Qe4#
- 2.Qxd5#
- 1...Be2
- 2.Bd4#
- 2.Qe4#
- 1...Bd3
- 2.Sxd3#
- 2.Sfg4#
- 1...g4
- 2.Sfxg4#
- 2.Bd4#
- 2.Bf4#
- 2.Qe4#
- 1...Bxg2!
- threat
- 1.Qh4?
- threat
- 2.Qd4#
- 2.Qe4#
- 1...Rxf2
- 2.Qd4#
- 1...gxh4
- 2.Bf4#
- 1...gxf5
- 2.Sf7#
- 2.Qd4#
- 1...Bd3
- 2.Qd4#
- 1...Rd5
- 2.Qe4#
- 1...g4
- 2.Bf4#
- 2.Qf6#
- 1...Ra4!
- threat
- 1.g4?
- threat
- 2.Sf7#
- 1...Rxg4
- 2.Sfxg4#
- 1...Bc4
- 2.Qa1#
- 1...Bd3!
- threat
- 1.d8Q?
- threat
- 2.Bd4#
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qb8#
- 1...Rxg3
- 2.Qe4#
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 2.Qb8#
- 1...Ra4
- 2.Rd5#
- 2.Qc7#
- 2.Qd5#
- 2.Qd6#
- 2.Qb8#
- 1...Rb5
- 2.Bd4#
- 2.Qc7#
- 2.Qd4#
- 2.Qd6#
- 1...Rc5
- 2.Bd4#
- 2.Qd4#
- 2.Qd6#
- 1...Rd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Ra6
- 2.Bd4#
- 2.Rd5#
- 2.Qd4#
- 2.Qd5#
- 1...Ra8
- 2.Bd4#
- 2.Rd5#
- 2.Qc7#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Bd3
- 2.Bd4#
- 2.Qa1#
- 2.Qd4#
- 2.Qd6#
- 1...Ra7+!
- threat
- 1.d8R?
- threat
- 2.Bd4#
- 1...Rxg3
- 2.Qe4#
- 1...Ra4
- 2.R2d5#
- 2.R8d5#
- 1...Rd5
- 2.R2xd5#
- 2.R8xd5#
- 1...Ra7+!
- threat
- 1.Bxg5?
- Keys
- 1.Bf7!
- threat
- 2.Bd4#
- 1...Rxg3
- 2.Qe4#
- 1...Ra4
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bd3
- 2.Qa1#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(b);XS(C)::B(D)
- R(b);OGATE,XP(E)::QAR1(A)
- B(a);OGATE::QAB(A)
- P(f);N_GUARD::B(D)
- P(g);SBLOCK,XP(F)::S(G)
- Tries
- Try
- B(D);XP(f)
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::B(D)
- R(b);OGATE,XP(E)::QAR1(A)
- R(d);::B(D)
- Refutation
- B(a);
- Try
- B(J);XP(g)
- Threat
- DUALS(2)
- Vars
- R(d);::S(G)
- Refutation
- B(a);
- Try
- R(B);
- Threat
- S(C)
- Vars
- R(b);OGATE,XS(C)::QAR1(A)
- R(b);OGATE,XP(E)::QAR1(A)
- P(g);SBLOCK,XP(F)::S(G)
- P(f);::S(C),XP(f)
- Refutation
- B(a);
- Try
- R(B);
- Threat
- B(D)
- Vars
- R(d);SBLOCK::R1(B)
- Refutation
- R(d);
- Try
- Q(A);XR(b)
- Threat
- DUALS(3)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::QAB1(A)
- P(f);N_GUARD,XQ(A)::B(D)
- B(a);::QAB1(A)
- R(d);::QAR1(A)
- Refutation
- R(d);
- Try
- P(E);
- Threat
- S(G)
- Vars
- R(b);XP(E)::S(C),XR(b)
- B(a);OGATE::QAB(A)
- Refutation
- B(a);
- Try
- P(H);
- Threat
- DUALS(5)
- Refutation
- R(d);CHECK
- Try
- P(H);
- Threat
- B(D)
- Vars
- R(b);OGATE,XP(E)::QAR1(A)
- Refutation
- R(d);CHECK
- Try
- Actual
- B(J);
- Threat
- B(D)
- Vars
- R(b);OGATE,XP(E)::QAR1(A)
- R(d);N_GUARD::R1(B)
- R(d);N_GUARD::R1(B),XR(d)
- B(a);OGATE::QAB(A)
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