MESON Chess Problem Database
Problem Display
PID: 62930 (2N1Qn2/b7/r1B1b2K/1RBNkp2/2p1PRp1/q1P2p1n/1r3P2/8 w - - 0 1)
Lobusov, Andrey Jakovlevic
Tribune de Geneve, 1985
#2
11 + 12
| 3748 | FIDE Album (1983-1985) | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Bd6#
- 1...Qa2
- 2.Bd6#
- 1...Qb3
- 2.Bd6#
- 1...Qa4
- 2.Bd6#
- 1...Qa5
- 2.Bd6#
- 1...Rb4
- 2.Bd6#
- 1...Rb6
- 2.Bd4#
- 1...Bb8
- 2.Bd4#
- 1...Qa1
- Tries
- 1.Sb4?
- threat
- 2.Rxf5#
- 1...Kxf4
- 2.Bd6#
- 1...Kf6
- 2.Be7#
- 1...Sxf4
- 2.Bd4#
- 1...fxe4
- 2.Bd6#
- 1...Rxc6!
- threat
- 1.Sd6?
- threat
- 2.Sxc4#
- 2.Sf7#
- 2.Rxf5#
- 1...Qxc5
- 2.Sf7#
- 1...Qxc3
- 2.Sf7#
- 2.Rxf5#
- 1...Bxc5
- 2.Sxc4#
- 2.Sf7#
- 1...fxe4
- 2.Sxc4#
- 2.Sf7#
- 2.Rxe4#
- 2.Rf5#
- 1...Qb4
- 2.Sf7#
- 2.Rxf5#
- 1...Qa2
- 2.Sf7#
- 2.Rxf5#
- 1...Qb3
- 2.Sf7#
- 2.Rxf5#
- 1...Qa4
- 2.Sf7#
- 2.Rxf5#
- 1...Rb4
- 2.Sf7#
- 2.Rxf5#
- 1...Ra4
- 2.Sf7#
- 2.Rxf5#
- 1...Sg5
- 2.Sxc4#
- 2.Rxf5#
- 1...Sxf4!
- threat
- 1.Qe7?
- threat
- 2.Qd6#
- 2.Qf6#
- 2.Qc7#
- 2.Qg7#
- 1...Qxc5
- 2.Qf6#
- 2.Qg7#
- 1...Rxc6
- 2.Qf6#
- 2.Qg7#
- 1...Bxc5
- 2.Qf6#
- 2.Qg7#
- 1...Qa5
- 2.Bd6#
- 2.Qd6#
- 2.Qf6#
- 2.Qg7#
- 1...Bb6
- 2.Qd6#
- 2.Qf6#
- 2.Qg7#
- 1...Bb8
- 2.Bd4#
- 2.Qf6#
- 2.Qg7#
- 1...Sd7
- 2.Qd6#
- 1...Sh7
- 2.Qd6#
- 2.Qc7#
- 1...Sxf4!
- threat
- 1.Qd8?
- threat
- 2.Qf6#
- 2.Qc7#
- 2.Qd6#
- 1...Qxc5
- 2.Qf6#
- 1...Rxc6
- 2.Qf6#
- 1...Bxd5
- 2.Qd6#
- 1...Bxc8
- 2.Qf6#
- 2.Qd6#
- 1...Bxc5
- 2.Qf6#
- 1...Bd7
- 2.Qf6#
- 1...Bf7
- 2.Qf6#
- 2.Qd6#
- 1...Bg8
- 2.Qf6#
- 2.Qd6#
- 1...Qa5
- 2.Bd6#
- 2.Qf6#
- 2.Qd6#
- 1...Bb6
- 2.Qf6#
- 2.Qd6#
- 1...Bb8
- 2.Bd4#
- 2.Qf6#
- 1...Sd7
- 2.Qc7#
- 1...Sh7
- 2.Qc7#
- 2.Qd6#
- 1...Sxf4!
- threat
- 1.Qxf8?
- threat
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Qxc5
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Rxc6
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Bxd5
- 2.Qd6#
- 2.Qxf5#
- 1...Bxc8
- 2.Qd6#
- 2.Qf6#
- 1...Bxc5
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Bd7
- 2.Qd6#
- 2.Qf6#
- 1...Bf7
- 2.Qd6#
- 1...Bg8
- 2.Qd6#
- 2.Qxf5#
- 2.Qf6#
- 1...Bb8
- 2.Bd4#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Sxf4!
- threat
- 1.Sb4?
- Keys
- 1.Sdb6!
- threat
- 2.Rxf5#
- 1...Kxf4
- 2.Be3#
- 1...Kf6
- 2.Bd4#
- 1...Sxf4
- 2.Bd4#
- 1...fxe4
- 2.Bd6#
- threat
- 1.Sdb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(b);N_GUARD::B(F)
- R(a);S_CUTQ(b)::B(F)
- R(i);S_CUTB(k)::B(F)
- B(k);N_GUARD::B(F)
- Tries
- Try
- S(G);
- Threat
- R1(D),XP(h)
- Vars
- K(g);N_SPINB(j),S_FLIGHT,XR(D)::B(F)
- K(g);N_SPINB(j),P_SPINP(h),S_FLIGHT::B(F)
- S(d);SBLOCK,XR(D)::R(E)+B(F),DCHECK
- P(h);XP(C)::R(E)+B(F),DCHECK
- Refutation
- R(i);XB(H)
- Try
- S(J);
- Threat
- DUALS(3)
- Vars
- Q(b);XB(F)::S(J)
- Refutation
- S(d);XR(D)
- Try
- Q(K);
- Threat
- DUALS(4)
- Vars
- S(l);::QAB1(K)
- Refutation
- S(d);XR(D)
- Try
- Q(K);N_PINB(j)
- Threat
- DUALS(3)
- Vars
- Q(b);XB(F)::QAB1(K)
- R(i);XB(H)::QAB1(K)
- B(j);P_PINB(H),XS(G)::QAB1(K)
- B(k);XB(F)::QAB1(K)
- B(j);P_PINB(H)::QAB1(K)
- S(l);::QAB(K)
- Refutation
- S(d);XR(D)
- Try
- Q(K);N_PINB(j),XS(l)
- Threat
- DUALS(4)
- Vars
- B(j);P_PINB(H)::QAB1(K)
- Refutation
- S(d);XR(D)
- Try
- Actual
- S(G);
- Threat
- R1(D),XP(h)
- Vars
- K(g);N_SPINB(j),S_FLIGHT,XR(D)::B(F)
- K(g);N_SPINB(j),P_SPINP(h),S_FLIGHT::B(F)
- S(d);SBLOCK,XR(D)::R(E)+B(F),DCHECK
- P(h);XP(C)::R(E)+B(F),DCHECK
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