MESON Chess Problem Database
Problem Display
PID: 168281 (8/K2bQ3/8/p2pp3/2Bkn2R/NpRp4/3P1n2/2Nq4 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Petite, Efren
5th HM., Problemas, 1991
#2
8 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Sxb3#
- 1...Qf3
- 2.Sxb3#
- 1...Qg4
- 2.Sxb3#
- 1...Qh5
- 2.Sxb3#
- 1...Qe1
- 2.Sxb3#
- 1...Qf1
- 2.Sxb3#
- 1...Qg1
- 2.Sxb3#
- 1...Qh1
- 2.Sxb3#
- 1...Bh3
- 2.Sb5#
- 1...Bg4
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Bf5
- 2.Sb5#
- 1...Be6
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Sh1
- 2.Rxd3#
- 1...Sh3
- 2.Rxd3#
- 1...Sg4
- 2.Rxd3#
- 1...dxc4
- 2.Qd6#
- 1...Qe2
- Tries
- 1.Kb6?
- threat
- 2.Qc5#
- 1...Qg4
- 2.Sxb3#
- 1...Bg4
- 2.Sb5#
- 1...Sg4
- 2.Rxd3#
- 1...Qxd2!
- threat
- 1.Sc2+?
- 1...bxc2
- 2.Sb3#
- 1...dxc2
- 2.Sxb3#
- 1...Qxc2!
- 1...bxc2
- 1.Bxb3?
- threat
- 2.Qc5#
- 1...Bg4
- 2.Sb5#
- 1...Sg4
- 2.Rxd3#
- 1...Qg4!
- threat
- 1.Bxd3?
- threat
- 2.Qc5#
- 1...Sxd3
- 2.Rxd3#
- 1...Qg4
- 2.Sxb3#
- 1...Bg4
- 2.Sb5#
- 1...Sg4!
- threat
- 1.Bb5?
- threat
- 2.Qc5#
- 1...Sg4
- 2.Rxd3#
- 1...Qg4
- 2.Sxb3#
- 1...Bg4!
- threat
- 1.Rxe4+?
- 1...Sxe4
- 2.Rxd3#
- 1...dxe4
- 2.Qd6#
- 1...Kxe4!
- 1...Sxe4
- 1.Qf8?
- threat
- 2.Qxf2#
- 1...dxc4
- 2.Qd6#
- 1...Sg4
- 2.Rxd3#
- 1...Qe2
- 2.Sxb3#
- 1...Qf3
- 2.Sxb3#
- 1...Qg4
- 2.Sxb3#
- 1...Qe1
- 2.Sxb3#
- 1...Qf1
- 2.Sxb3#
- 1...Qg1
- 2.Sxb3#
- 1...Bg4
- 2.Sb5#
- 1...Bf5
- 2.Sb5#
- 1...Sh1
- 2.Rxd3#
- 1...Sh3
- 2.Rxd3#
- 1...Qxd2!
- threat
- 1.Kb6?
- Keys
- 1.Ba6!
- threat
- 2.Qc5#
- 1...Sg4
- 2.Rxd3#
- 1...Qg4
- 2.Sxb3#
- 1...Bg4
- 2.Sb5#
- threat
- 1.Ba6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- Q(a);N_GUARD::S(A),XP(c)
- Q(a);N_GUARD,N_SPINS(f)::S(A),XP(c)
- B(j);N_GUARD::S(C)
- B(j);N_GUARD,N_SPINS(f)::S(C)
- B(j);N_GUARD::S(C),XB(j)
- S(b);N_GUARD::R1(D),XP(d)
- S(b);N_GUARD,N_SPINS(f)::R1(D),XP(d)
- P(h);OGATEB,XB(E)::QAR2(H)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- QAB1(H)
- Vars
- Q(a);N_GUARD,N_SPINS(f)::S(A),XP(c)
- B(j);N_GUARD,N_SPINS(f)::S(C)
- S(b);N_GUARD,N_SPINS(f)::R1(D),XP(d)
- Refutation
- Q(a);XP(B)
- Try
- S(C);CHECK
- Vars
- P(c);XS(C)::S(A)
- P(d);XS(C)::S(A),XP(c)
- Refutation
- Q(a);XS(C)
- Try
- B(E);XP(c)
- Threat
- QAB1(H)
- Vars
- B(j);N_GUARD,N_SPINS(f)::S(C)
- S(b);N_GUARD,N_SPINS(f)::R1(D),XP(d)
- Refutation
- Q(a);N_SPINS(f)
- Try
- B(E);XP(d)
- Threat
- QAB1(H)
- Vars
- S(b);OGATE,XB(E)::R1(D),XS(b)
- Q(a);N_GUARD,N_SPINS(f)::S(A),XP(c)
- B(j);N_GUARD,N_SPINS(f)::S(C)
- Refutation
- S(b);N_SPINS(f)
- Try
- B(E);
- Threat
- QAB1(H)
- Vars
- S(b);N_GUARD,N_SPINS(f)::R1(D),XP(d)
- Q(a);N_GUARD,N_SPINS(f)::S(A),XP(c)
- Refutation
- B(j);N_SPINS(f)
- Try
- R(F);CHECK,XS(f)
- Vars
- S(b);SBLOCK,XR(F)::R1(D),XP(d)
- P(h);SBLOCK,S_CUTS(b),XR(F)::QAR2(H)
- Refutation
- K(e);P-FLIGHT,P_SPINP(i),XR(F)
- Try
- Q(H);
- Threat
- QAB(H),XS(b)
- Vars
- P(h);OGATEB,XB(E)::QAR2(H)
- S(b);N_GUARD,N_SPINS(f)::R1(D),XP(d)
- Q(a);N_GUARD::S(A),XP(c)
- Q(a);N_GUARD,N_SPINS(f)::S(A),XP(c)
- B(j);N_GUARD,N_SPINS(f)::S(C)
- B(j);N_GUARD::S(C)
- S(b);N_GUARD::R1(D),XP(d)
- Refutation
- Q(a);XP(B)
- Try
- Actual
- B(E);
- Threat
- QAB1(H)
- Vars
- S(b);N_GUARD,N_SPINS(f)::R1(D),XP(d)
- Q(a);N_GUARD,N_SPINS(f)::S(A),XP(c)
- B(j);N_GUARD,N_SPINS(f)::S(C)
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