MESON Chess Problem Database
Problem Display
PID: 15744 (4R3/p1N5/p2p4/6P1/1B1kNb2/3p4/B2p1P2/1n1K3Q w - - 0 1)
Chepizhni, Viktor Ivanovich
Problemas, 1987
#2
9 + 8
| 3297 | FIDE Album (1986-1988) | 1995 |
| 6167 | Viktor Chepizhny | 2007 |
| 56 | The Problemist | 2008 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Be3
- 2.Qh8#
- 1...Be5
- 2.Se6#
- 1...Sa3
- 2.Bc3#
- 1...Sc3+
- 2.Bxc3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bc5#
- 1...Be3
- Tries
- 1.Sxd2?
- threat
- 2.Sf3#
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Bxd2
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 2.Qh8#
- 1...Sxd2
- 2.Qd5#
- 1...Be5
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Sf3#
- 2.Qxd5#
- 1...Sc3+!
- threat
- 1.Sc3?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Be5
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Sxc3+!
- threat
- 1.Sg3?
- threat
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Bxg3
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Be5
- 2.Sf5#
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Sf5#
- 2.Qxd5#
- 1...Sc3+!
- threat
- 1.Sc5?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Be5
- 2.S5e6#
- 2.S7e6#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Sc3+!
- threat
- 1.Sxd6?
- threat
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Bxd6
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Be5
- 2.Sf5#
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...Sc3+!
- threat
- 1.Sf6?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Be5
- 2.Se6#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Sc3+!
- threat
- 1.Re5?
- threat
- 2.Rd5#
- 1...Sc3+
- 2.Bxc3#
- 1...Bxe5
- 2.Se6#
- 1...dxe5
- 2.Se6#
- 2.Bc5#
- 1...d5
- 2.Rxd5#
- 1...Kxe5!
- threat
- 1.Qf3?
- 1...Sc3+
- 2.Bxc3#
- 1...Bh2
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 2.Qf6#
- 2.fxe3#
- 1...Bg3
- 2.Qe3#
- 1...Be5
- 2.Se6#
- 2.Qe3#
- 1...Sa3
- 2.Bc3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bc5#
- 1...Bxg5!
- 1...Sc3+
- 1.Qg1?
- 1...Sc3+
- 2.Bxc3#
- 1...Bxg5
- 2.f4#
- 1...Be5
- 2.f3#
- 1...Be3
- 2.fxe3#
- 1...Bg3
- 2.fxg3#
- 1...Sa3
- 2.Bc3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bc5#
- 1...Bh2!
- 1...Sc3+
- 1.Sxd2?
- Keys
- 1.Qh4!
- 1...Sc3+
- 2.Bxc3#
- 1...Bxg5
- 2.Sxg5#
- 1...Bh2
- 2.Sg3#
- 1...Be3
- 2.Qh8#
- 1...Bg3
- 2.Sxg3#
- 1...Be5
- 2.Se6#
- 1...Sa3
- 2.Bc3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bc5#
- 1...Sc3+
- 1.Qh4!
Anticipated by 180487(1974)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::QAB(B)
- B(e);SBLOCK::S(H)
- S(a);N_GUARD::B(E)
- S(a);CHECK,N_GUARD::B(E),XS(a)
- P(f);N_GUARD::S(H)
- P(g);N_GUARD::B(E)
- Tries
- Try
- S(F);XP(b)
- Threat
- DUALS(4)
- Vars
- S(a);XS(F)::QAR1(B)
- Refutation
- S(a);CHECK
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- P(g);::QAR1(B),XP(g)
- Refutation
- S(a);CHECK,XS(F)
- Try
- S(F);
- Threat
- DUALS(4)
- Refutation
- S(a);CHECK
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- P(g);::QAR1(B),XP(g)
- Refutation
- S(a);CHECK
- Try
- S(F);XP(g)
- Threat
- DUALS(4)
- Refutation
- S(a);CHECK
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- P(g);::QAR1(B),XP(g)
- Refutation
- S(a);CHECK
- Try
- R(I);
- Threat
- R1(I)
- Vars
- S(a);CHECK,N_GUARD::B(E),XS(a)
- B(e);SBLOCK,XR(I)::S(H)
- P(g);::R1(I),XP(g)
- Refutation
- K(d);S_FLIGHT,XR(I)
- Try
- Q(B);
- Vars
- S(a);CHECK,N_GUARD::B(E),XS(a)
- B(e);N_GUARD::QAB1(B)
- S(a);N_GUARD::B(E)
- P(f);N_GUARD::S(H)
- P(g);N_GUARD::B(E)
- Refutation
- B(e);XP(G)
- Try
- Q(B);
- Vars
- S(a);CHECK,N_GUARD::B(E),XS(a)
- B(e);OGATE,XP(G)::QAB(B)+P(D)
- B(e);N_GUARD::QAB(B)+P(D)
- B(e);OGATE::P(D),XB(e)
- B(e);OGATE::QAB(B)+P(D),XB(e)
- S(a);N_GUARD::B(E)
- P(f);N_GUARD::S(H)
- P(g);N_GUARD::B(E)
- Refutation
- B(e);
- Try
- Actual
- Q(B);
- Vars
- S(a);CHECK,N_GUARD::B(E),XS(a)
- B(e);XP(G)::QAR(B)+S(F),XB(e)
- B(e);::QAR(B)+S(F)
- B(e);N_GUARD::QAB(B)
- B(e);::QAR(B)+S(F),XB(e)
- B(e);SBLOCK::S(H)
- S(a);N_GUARD::B(E)
- P(f);N_GUARD::S(H)
- P(g);N_GUARD::B(E)
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