MESON Chess Problem Database
Problem Display
PID: 203058 (B4b2/3p1K2/5Q1p/1pN1R1p1/2pk3n/3pN3/1Pn5/8 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Sachova skladba, 1990
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxc5
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Bd6
- 2.Qxd6#
- 1...Bg7
- 2.Qd6#
- 1...Sxe3
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 1...Sg2
- 2.Sf5#
- 1...Sf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...d2
- 2.Sxc2#
- 1...c3
- 2.Sb3#
- 1...g4
- 2.Qf4#
- 1...d5
- 2.Se6#
- 1...d6
- 2.Se6#
- 1...Bxc5
- Tries
- 1.Sd1?
- threat
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 1...Bxc5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rf5#
- 2.Rxg5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...d5
- 2.Se6#
- 2.Rxd5#
- 1...Be7
- 2.Rd5#
- 1...Bd6
- 2.Rd5#
- 2.Qxd6#
- 1...Bg7
- 2.Rd5#
- 2.Qd6#
- 1...Sf3
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 2.Rxf5#
- 1...Sg6
- 2.Rd5#
- 1...g4
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...c3!
- threat
- 1.Sf1?
- threat
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 1...Bxc5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rf5#
- 2.Rxg5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...d5
- 2.Se6#
- 2.Rxd5#
- 1...Be7
- 2.Rd5#
- 1...Bd6
- 2.Rd5#
- 2.Qxd6#
- 1...Bg7
- 2.Rd5#
- 2.Qd6#
- 1...Sf3
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 2.Rxf5#
- 1...Sg6
- 2.Rd5#
- 1...g4
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qf4#
- 1...c3!
- threat
- 1.Sg4?
- threat
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 1...Bxc5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rf5#
- 2.Rxg5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...d5
- 2.Se6#
- 2.Rxd5#
- 1...Be7
- 2.Rd5#
- 1...Bd6
- 2.Rd5#
- 2.Qxd6#
- 1...Bg7
- 2.Rd5#
- 2.Qd6#
- 1...Sf3
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 2.Rxf5#
- 1...Sg6
- 2.Rd5#
- 1...c3!
- threat
- 1.Sa6?
- threat
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Be7
- 2.Re4#
- 2.Rxe7#
- 1...Bd6
- 2.Re4#
- 2.Qxd6#
- 1...Bg7
- 2.Re4#
- 2.Qd6#
- 1...Sf3
- 2.Sf5#
- 2.Re4#
- 1...Sg6
- 2.Sf5#
- 2.Re4#
- 1...d5
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...d2!
- threat
- 1.Sxd7?
- threat
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Be7
- 2.Re4#
- 2.Rxe7#
- 1...Bd6
- 2.Re4#
- 2.Qxd6#
- 1...Bg7
- 2.Re4#
- 2.Qb6#
- 2.Qd6#
- 1...Sf3
- 2.Sf5#
- 2.Re4#
- 1...Sg6
- 2.Sf5#
- 2.Re4#
- 1...d2!
- threat
- 1.Qxg5?
- threat
- 2.Re4#
- 2.Rd5#
- 2.Qf4#
- 1...Bxc5
- 2.Re4#
- 2.Qf4#
- 1...Sxe3
- 2.Re4#
- 2.Qxe3#
- 2.Qf4#
- 1...Sf5
- 2.Rd5#
- 2.Qf4#
- 1...d5
- 2.Se6#
- 2.Rxd5#
- 1...Sb4
- 2.Re4#
- 2.Qf4#
- 1...Sg2
- 2.Re4#
- 2.Rd5#
- 1...Sg6
- 2.Re4#
- 2.Rd5#
- 1...hxg5!
- threat
- 1.Qe7?
- threat
- 2.Re4#
- 2.Rd5#
- 1...Sxe3
- 2.Re4#
- 1...Sb4
- 2.Re4#
- 1...d5
- 2.Rxd5#
- 1...d6
- 2.Rd5#
- 1...Bxe7!
- threat
- 1.Qf3?
- threat
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...Kxe5
- 2.Qf6#
- 1...Sxe3
- 2.Qe4#
- 2.Qxe3#
- 1...d5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sb4
- 2.Qe4#
- 1...Sxf3!
- threat
- 1.Qf5?
- threat
- 2.Re4#
- 2.Qe4#
- 1...d5
- 2.Se6#
- 1...Sxf5!
- threat
- 1.Qb6?
- threat
- 2.Re4#
- 1...Kxe5
- 2.Qf6#
- 1...d5!
- threat
- 1.Qc6?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Kxe5
- 2.Qf6#
- 1...Sxe3
- 2.Re4#
- 2.Qe4#
- 1...Sb4
- 2.Re4#
- 2.Qe4#
- 1...d5
- 2.Qxd5#
- 1...dxc6!
- threat
- 1.Sd1?
- Keys
- 1.Qf2!
- threat
- 2.Rd5#
- 1...Kxe5
- 2.Qf6#
- 1...Bxc5
- 2.Re4#
- 1...d5
- 2.Rxd5#
- 1...Sb4
- 2.Sg4#
- threat
- 1.Qf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- B(j);N_GUARD::QAR2(E),XB(j)
- B(j);N_GUARD::QAR2(E)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(b);N_GUARD::S(B),XS(a)
- P(c);N_GUARD::S(C)
- P(g);N_GUARD::QAR2(E)
- P(i);N_GUARD::S(C)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- B(j);::QAB(E)+R(D),DCHECK
- S(e);::QAB(E)+R(D),DCHECK
- Refutation
- P(c);
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- B(j);::QAB(E)+R(D),DCHECK
- S(e);::QAB(E)+R(D),DCHECK
- Refutation
- P(c);
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- B(j);::QAB(E)+R(D),DCHECK
- S(e);::QAB(E)+R(D),DCHECK
- Refutation
- P(c);
- Try
- S(C);
- Threat
- DUALS(4)
- Refutation
- P(b);
- Try
- S(C);XP(i)
- Threat
- DUALS(4)
- Refutation
- P(b);
- Try
- Q(E);XP(g)
- Threat
- DUALS(3)
- Refutation
- P(h);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(a);XS(B)::R1(D)
- S(a);::R1(D)
- P(i);::R1(D),XP(i)
- P(i);::R1(D)
- Refutation
- B(j);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(E)
- S(a);::QAR1(E)
- Refutation
- S(e);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(i);N_GUARD::S(C)
- Refutation
- S(e);XQ(E)
- Try
- Q(E);
- Threat
- R1(D)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(E)
- Refutation
- P(i);
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(E)
- P(i);::QAR1(E),XP(i)
- Refutation
- P(i);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- R1(D)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB1(E)
- B(j);SBLOCK,XS(C)::R1(D)
- P(i);::R1(D),XP(i)
- S(a);N_GUARD::QAB(E)+S(B)
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