MESON Chess Problem Database
Problem Display
PID: 180623 (5B2/7P/2p1p1N1/Pp2P3/p1BkP3/7p/1P1NR1bQ/3R2K1 w - - 0 1)
Chepizhni, Viktor Ivanovich
StrateGems, 2017
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bf3
- 2.Qf2#
- 1...Bxe4
- 2.Rxe4#
- 2.Qf2#
- 1...bxc4
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 1...Bf1
- Tries
- 1.Se7?
- threat
- 2.Sxc6#
- 1...Kc5
- 2.Sf5#
- 1...bxc4
- 2.Sb3#
- 1...c5
- 2.Sc6#
- 1...Bxe4!
- threat
- 1.Ba2?
- threat
- 2.Sb1#
- 2.Sf1#
- 2.Sf3#
- 2.Sc4#
- 1...Bxe4
- 2.Sf3#
- 2.Sxe4#
- 1...Bf1
- 2.Sb1#
- 2.Sxf1#
- 2.Sf3#
- 2.Sc4#
- 1...Bf3
- 2.Sb1#
- 2.Sf1#
- 2.Sxf3#
- 2.Sc4#
- 1...Kd3!
- threat
- 1.Bxb5?
- threat
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Sc4#
- 1...Bxe4
- 2.Sb3#
- 2.Sf3#
- 2.Sxe4#
- 1...Bf1
- 2.Sb1#
- 2.Sxf1#
- 2.Sb3#
- 2.Sf3#
- 2.Sc4#
- 2.Qf2#
- 1...Bf3
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Sc4#
- 2.Qf2#
- 1...cxb5!
- threat
- 1.Bxe6?
- threat
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Sc4#
- 1...Bxe4
- 2.Sb3#
- 2.Sf3#
- 2.Sxe4#
- 1...Bf1
- 2.Sb1#
- 2.Sxf1#
- 2.Sb3#
- 2.Sf3#
- 2.Sc4#
- 1...Bf3
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Sc4#
- 1...Kd3!
- threat
- 1.Bb4?
- 1...Bxe4
- 2.Rxe4#
- 2.Qf2#
- 1...bxc4
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 1...Bh1
- 2.Qf2#
- 1...Bf1
- 2.Qf2#
- 1...Bf3
- 2.Qf2#
- 1...c5
- 2.Bc3#
- 1...a3!
- 1...Bxe4
- 1.Bh6?
- threat
- 2.Be3#
- 1...bxc4
- 2.Sb3#
- 1...Kc5!
- threat
- 1.Re3?
- threat
- 2.Rd3#
- 1...Kxe3
- 2.Bc5#
- 1...Bxe4
- 2.Rxe4#
- 1...bxc4
- 2.Sf1#
- 1...Bf1!
- threat
- 1.Qg3?
- threat
- 2.Qf2#
- 2.Qc3#
- 2.Qd3#
- 2.Qe3#
- 1...Bxe4
- 2.Rxe4#
- 2.Qf2#
- 2.Qc3#
- 2.Qe3#
- 1...bxc4
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Qc3#
- 2.Qe3#
- 1...Bf3
- 2.Qf2#
- 1...b4
- 2.Qf2#
- 2.Qd3#
- 2.Qe3#
- 1...h2+!
- threat
- 1.Qf4?
- threat
- 2.Qe3#
- 2.Qf2#
- 1...bxc4
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sf3#
- 2.Qe3#
- 1...Bf3
- 2.Qe3#
- 1...h2+!
- threat
- 1.b3?
- threat
- 2.Sb1#
- 1...Kc3
- 2.Sb1#
- 1...Bxe4
- 2.Sxe4#
- 1...axb3!
- threat
- 1.Se7?
- Keys
- 1.Sf4!
- threat
- 2.Sxe6#
- 1...Kxe5
- 2.h8Q#
- 2.h8B#
- 1...bxc4
- 2.Sf3#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);OGATE::QAB(F)
- Tries
- Try
- S(K);
- Threat
- S(K),XP(f)
- Vars
- K(d);S_FLIGHT::B(M)+S(K)
- P(e);SBLOCK,XB(G)::R(A)+S(D),DCHECK
- P(f);::S(K)
- Refutation
- B(a);XP(H)
- Try
- B(G);
- Threat
- DUALS(4)
- Refutation
- K(d);P-FLIGHT
- Try
- B(G);XP(e)
- Threat
- DUALS(5)
- Refutation
- P(f);XB(G)
- Try
- B(G);XP(g)
- Threat
- DUALS(5)
- Refutation
- K(d);P-FLIGHT
- Try
- B(M);
- Vars
- B(a);OGATE::QAB(F)
- P(f);SBLOCK::B(M)
- Refutation
- P(c);
- Try
- B(M);
- Threat
- B(M)
- Vars
- P(e);SBLOCK,XB(G)::R(A)+S(D),DCHECK
- Refutation
- K(d);S_FLIGHT
- Try
- R(E);
- Threat
- R1(E)
- Vars
- K(d);S_FLIGHT,XR(E)::B(M)
- B(a);OGATE,XP(H)::R1(E),XB(a)
- P(e);SBLOCK,XB(G)::R(A)+S(D)
- Refutation
- B(a);
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- B(a);::QAB(F)
- Refutation
- P(b);CHECK
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(F)
- Refutation
- P(b);CHECK
- Try
- P(C);
- Threat
- R(A)+S(D)
- Vars
- K(d);S_FLIGHT::S(D)
- B(a);XP(H)::R(A)+S(D),XB(a)
- Refutation
- P(c);XP(C)
- Try
- Actual
- S(K);
- Threat
- S(K),XP(g)
- Vars
- K(d);S_FLIGHT,XP(J)::P=Q
- P(e);SBLOCK,XB(G)::R(A)+S(D),DCHECK
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