MESON Chess Problem Database
Problem Display
PID: 50525 (1r4B1/N1B5/8/P1kpN1nR/bp1p4/1P1PP3/1K3PQ1/3R3q w - - 0 1)
Kapustin, Fedor Mikhailovich
Lyubashevsky, Leonid Abramovic
Mat, 1986
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxg2
- 2.Rc1#
- 1...Qxd1
- 2.Qxd5#
- 1...Qe1
- 2.Qxd5#
- 1...Qf1
- 2.Qxd5#
- 1...Qg1
- 2.Qxd5#
- 1...Qh2
- 2.Rc1#
- 2.Qxd5#
- 1...Qh3
- 2.Rc1#
- 2.Qxd5#
- 1...Qh4
- 2.Rc1#
- 2.Qxd5#
- 1...Qxh5
- 2.Rc1#
- 2.Qxd5#
- 1...Rb5
- 2.Sd7#
- 1...Bxb3
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...dxe3
- 2.d4#
- 1...Qxg2
- Tries
- 1.Sf3?
- threat
- 2.exd4#
- 1...Sxf3
- 2.Rxd5#
- 1...dxe3
- 2.d4#
- 1...Qh4
- 2.Rc1#
- 1...Se6!
- threat
- 1.Sec6?
- threat
- 2.exd4#
- 1...dxe3
- 2.d4#
- 1...Qh4
- 2.Rc1#
- 2.Qxd5#
- 1...Sf3
- 2.Rxd5#
- 1...Se6
- 2.Rxd5#
- 1...Bxc6!
- threat
- 1.Sf7?
- threat
- 2.Bd6#
- 1...Sxf7
- 2.Rxd5#
- 1...dxe3
- 2.d4#
- 1...Qh2
- 2.Rc1#
- 1...Rb6
- 2.Bxb6#
- 1...Rd8
- 2.Bb6#
- 1...Se4!
- threat
- 1.Rdxh1?
- threat
- 2.Rc1#
- 2.Qxd5#
- 1...Rxg8
- 2.Rc1#
- 1...Bxb3
- 2.Sd7#
- 1...dxe3
- 2.Qxd5#
- 1...Rd8
- 2.Rc1#
- 1...Bb5
- 2.Qxd5#
- 1...Bc6
- 2.Rc1#
- 1...Sf3
- 2.Rc1#
- 1...Se6
- 2.Rc1#
- 1...Sf7
- 2.Rc1#
- 1...Se4!
- threat
- 1.Rhxh1?
- threat
- 2.Rc1#
- 2.Qxd5#
- 1...Rxg8
- 2.Rc1#
- 1...Bxb3
- 2.Sd7#
- 1...dxe3
- 2.Qxd5#
- 2.d4#
- 1...Rd8
- 2.Rc1#
- 1...Bb5
- 2.Qxd5#
- 1...Bc6
- 2.Rc1#
- 1...Sf3
- 2.Rc1#
- 1...Se6
- 2.Rc1#
- 1...Sf7
- 2.Rc1#
- 1...Se4!
- threat
- 1.Qxh1?
- threat
- 2.Rc1#
- 2.Qxd5#
- 1...Rxg8
- 2.Rc1#
- 1...Bxb3
- 2.Sd7#
- 1...dxe3
- 2.Qxd5#
- 2.d4#
- 1...Rd8
- 2.Rc1#
- 1...Bb5
- 2.Qxd5#
- 1...Bc6
- 2.Rc1#
- 1...Sf3
- 2.Rc1#
- 1...Se6
- 2.Rc1#
- 1...Sf7
- 2.Rc1#
- 1...Se4!
- threat
- 1.Sf3?
- Keys
- 1.Sc4!
- threat
- 2.Bd6#
- 1...dxe3
- 2.d4#
- 1...dxc4
- 2.Rxg5#
- 1...Qh2
- 2.Qxd5#
- 1...Rb6
- 2.Bxb6#
- 1...Rd8
- 2.Bb6#
- 1...Se4
- 2.Rxd5#
- 1...Sf7
- 2.Rxd5#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD,P_PINP(C),XQ(D)::R(A)
- Q(a);N_GUARD,XR(A)::QAR1(D),XP(f)
- Q(a);N_GUARD::QAR1(D),XP(f)
- R(h);S_CUTB(b)::S(I)
- B(b);N_GUARD,XP(E)::S(I)
- B(b);N_GUARD::S(I),XB(b)
- P(d);OGATE,XP(G)::P(F)
- Tries
- Try
- S(I);
- Threat
- P(G),XP(d)
- Vars
- S(g);OGATE,P_SPINP(f),XS(I)::R1(J),XP(f)
- P(d);OGATE,XP(G)::P(F)
- Q(a);N_GUARD::R(A)
- Refutation
- S(g);P_SPINP(f)
- Try
- S(I);
- Threat
- P(G),XP(d)
- Vars
- P(d);OGATE,XP(G)::P(F)
- S(g);OGATE,P_SPINP(f)::R1(J),XP(f)
- Refutation
- B(b);XS(I)
- Try
- S(I);
- Threat
- B(L)
- Vars
- S(g);OGATE,P_SPINP(f),XS(I)::R1(J),XP(f)
- P(d);OGATE,XP(G)::P(F)
- Q(a);N_GUARD::R(A)
- R(h);N_GUARD::B(L),XR(h)
- R(h);N_GUARD::B(L)
- Refutation
- S(g);P_SPINP(f)
- Try
- R(A);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(h);XB(M)::R(A)
- B(b);N_GUARD,XP(E)::S(I)
- P(d);XP(G)::QAR1(D),XP(f)
- R(h);::R(A)
- B(b);::QAR1(D),XP(f)
- B(b);::R(A)
- S(g);::R(A)
- Refutation
- S(g);
- Try
- R(J);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(h);XB(M)::R(A)
- B(b);N_GUARD,XP(E)::S(I)
- R(h);::R(A)
- B(b);::QAR1(D),XP(f)
- B(b);::R(A)
- S(g);::R(A)
- Refutation
- S(g);
- Try
- Q(D);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(h);XB(M)::R(A)
- B(b);N_GUARD,XP(E)::S(I)
- R(h);::R(A)
- B(b);::QAR1(D),XP(f)
- B(b);::R(A)
- S(g);::R(A)
- Refutation
- S(g);
- Try
- Actual
- S(I);
- Threat
- B(L)
- Vars
- P(d);OGATE,XP(G)::P(F)
- P(f);OGATEB,P_SPINS(g),XS(I)::R(J),XS(g)
- Q(a);N_GUARD::QAR1(D),XP(f)
- R(h);N_GUARD::B(L),XR(h)
- R(h);N_GUARD::B(L)
- S(g);OGATE,P_SPINP(f)::R1(J),XP(f)
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