MESON Chess Problem Database
Problem Display
PID: 225843 (Q1B5/4P2p/3p1p2/1bpPkNp1/1b6/2R1BPK1/4N3/4R3 w - - 0 1)
Petrusenko, Alexey Matveevich
Vovnejko, Viktor Ivanovich
Praca, 1995
#2
11 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxe2
- 2.e8Q#
- 2.e8R#
- 1...Bd3
- 2.e8Q#
- 2.e8R#
- 1...Bc4
- 2.e8Q#
- 2.e8R#
- 1...Ba6
- 2.e8Q#
- 2.e8R#
- 1...c4
- 2.Bd4#
- 1...g4
- 2.Bf4#
- 1...Bxe2
- Tries
- 1.Sed4?
- threat
- 2.Bf4#
- 1...Be2
- 2.e8Q#
- 2.e8R#
- 1...Bc6!
- threat
- 1.Sf4?
- threat
- 2.Bd4#
- 1...gxf4+
- 2.Bxf4#
- 1...Be2
- 2.e8Q#
- 2.e8R#
- 1...Bd7!
- threat
- 1.Bc1?
- threat
- 2.Re3#
- 1...Bc6
- 2.Sf4#
- 1...Bd7
- 2.Sed4#
- 1...Bd3
- 2.e8Q#
- 2.e8R#
- 1...Bxc3!
- threat
- 1.Bg1?
- threat
- 2.Re3#
- 1...Bc6
- 2.Sf4#
- 1...Bd7
- 2.Sed4#
- 1...Bd3
- 2.e8Q#
- 2.e8R#
- 1...Bxc3!
- threat
- 1.Bf2?
- threat
- 2.Re3#
- 1...Bc6
- 2.Sf4#
- 1...Bd7
- 2.Sed4#
- 1...Bd3
- 2.e8Q#
- 2.e8R#
- 1...Bxc3!
- threat
- 1.Bxc5?
- threat
- 2.Bd4#
- 2.Re3#
- 1...Bxc3
- 2.Bxd6#
- 1...dxc5
- 2.Re3#
- 1...Bc6
- 2.Sf4#
- 1...Bd7
- 2.Sed4#
- 1...Bd3
- 2.Bd4#
- 2.e8Q#
- 2.e8R#
- 1...Bxc5!
- threat
- 1.Bxg5?
- threat
- 2.Bf4#
- 2.Re3#
- 1...Bxc3
- 2.Bf4#
- 1...Bc6
- 2.Sf4#
- 1...Bd7
- 2.Sed4#
- 1...Bd3
- 2.Bf4#
- 2.e8Q#
- 2.e8R#
- 1...fxg5!
- threat
- 1.Qc6?
- threat
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Bxc3
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Bxe2
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Ba3
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Ba5
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Bd3
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Ba4
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Bc4
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Ba6
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...c4
- 2.Bd4#
- 2.e8Q#
- 2.e8R#
- 1...g4
- 2.Bf4#
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...h5
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...h6
- 2.Qxd6#
- 2.e8Q#
- 2.e8R#
- 1...Bxc6!
- threat
- 1.f4+?
- 1...Ke4
- 2.Sxd6#
- 1...gxf4+!
- 1...Ke4
- 1.Sed4?
- Keys
- 1.Bd2!
- threat
- 2.Re3#
- 1...Bxc3
- 2.Bxc3#
- 1...Bc6
- 2.Sf4#
- 1...Bd7
- 2.Sed4#
- 1...Bd3
- 2.e8Q#
- 2.e8R#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(b);N_GUARD,XS(B)::P=Q
- B(b);N_GUARD::P=Q
- P(c);N_GUARD::B(D)
- P(e);N_GUARD::B(D)
- Tries
- Try
- S(B);
- Threat
- R(A)+B(D),DCHECK
- Vars
- B(b);N_GUARD::P=Q
- Refutation
- B(b);
- Try
- S(B);
- Threat
- R(A)+B(D),DCHECK
- Vars
- P(e);CHECK,OGATE,XS(B)::R(A)+B(D),DCHECK,XP(e)
- B(b);N_GUARD::P=Q
- Refutation
- B(b);
- Try
- B(D);
- Threat
- R(C)
- Vars
- B(b);N_GUARD::R(A)+S(B)
- B(b);N_GUARD::P=Q
- Refutation
- B(a);XR(C)
- Try
- B(D);
- Threat
- R(C)
- Vars
- B(b);N_GUARD::R(A)+S(B)
- B(b);N_GUARD::P=Q
- Refutation
- B(a);XR(C)
- Try
- B(D);
- Threat
- R(C)
- Vars
- B(b);N_GUARD::R(A)+S(B)
- B(b);N_GUARD::P=Q
- Refutation
- B(a);XR(C)
- Try
- B(D);XP(c)
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD,XR(C)::B(D),XP(f)
- P(f);XB(D)::R(C)
- B(b);N_GUARD::R(A)+S(B)
- Refutation
- B(a);XB(D)
- Try
- B(D);XP(e)
- Threat
- DUALS(2)
- Vars
- B(a);XR(C)::B(D)
- B(b);N_GUARD::R(A)+S(B)
- Refutation
- P(g);XB(D)
- Try
- Q(J);
- Threat
- DUALS(3)
- Refutation
- B(b);XQ(J)
- Try
- P(E);CHECK
- Vars
- K(d);P-FLIGHT::S(H),XP(f)
- Refutation
- P(e);CHECK,XP(E)
- Try
- Actual
- B(D);
- Threat
- R(C)
- Vars
- B(a);OGATE,XR(C)::B(D),XB(a)
- B(b);N_GUARD::R(A)+S(B)
- B(b);N_GUARD::P=Q
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