MESON Chess Problem Database
Problem Display
PID: 29668 (B5n1/8/Q2p1rR1/1r1R2B1/qP2k3/p1P1N3/2P2P1N/4K2b w - - 0 1)
Pilchenko, Viacheslav Karlovich
1st Prize, Barulin-100 MT, 1999
#2
12 + 8
| 23 | Die Schwalbe | 2003 |
| 56 | The Problemist | 2003 |
| 6166 | FIDE Album (1998-2000) | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Qd3#
- 1...Ra5
- 2.Qd3#
- 2.Qc4#
- 1...Rc5
- 2.Qd3#
- 1...Rb6
- 2.Qd3#
- 2.Qc4#
- 1...Rb7
- 2.Qd3#
- 2.Qc4#
- 1...Rb8
- 2.Qd3#
- 2.Qc4#
- 1...Rxf2
- 2.Re6#
- 1...Rf3
- 2.Re6#
- 1...Rf4
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Rf7
- 2.Re6#
- 1...Rf8
- 2.Re6#
- 1...Rxb4
- Tries
- 1.Sf3?
- threat
- 2.Sd2#
- 2.Rd4#
- 2.Re5#
- 1...Kxf3
- 2.Rf5#
- 1...Qxc2
- 2.Rd4#
- 1...Rxd5
- 2.Bxd5#
- 1...Rxf3
- 2.Re6#
- 1...Rb7
- 2.Sd2#
- 1...Bxf3!
- threat
- 1.Shg4?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Kf3
- 2.Rf5#
- 1...Qxc2
- 2.Rd4#
- 1...Rxd5
- 2.Bxd5#
- 1...Rb7!
- threat
- 1.Sef1?
- threat
- 2.Sd2#
- 2.Sg3#
- 1...Qxc2
- 2.Sg3#
- 1...Rxf2
- 2.Sg3#
- 2.Re6#
- 1...Rb7
- 2.Qd3#
- 2.Qc4#
- 1...Rf3
- 2.Sd2#
- 2.Re6#
- 1...Rxd5!
- threat
- 1.Seg4?
- threat
- 2.Re5#
- 1...Rxd5
- 2.Qd3#
- 1...Rb7
- 2.Qd3#
- 2.Qc4#
- 1...Qxc2!
- threat
- 1.Bxf6?
- threat
- 2.Rd4#
- 2.Rg4#
- 1...Kf4
- 2.Rg4#
- 1...Rxd5
- 2.Rg4#
- 2.Qc4#
- 1...Bf3
- 2.Rd4#
- 1...Sh6
- 2.Rd4#
- 1...Sxf6!
- threat
- 1.Rc5+?
- 1...Rb7
- 2.Qd3#
- 2.Qc4#
- 1...d5!
- 1...Rb7
- 1.Rf5+?
- 1...Rd5
- 2.Bxd5#
- 2.Qd3#
- 2.Qc4#
- 1...Rb7
- 2.Qd3#
- 2.Qc4#
- 1...d5!
- 1...Rd5
- 1.Rxf6?
- threat
- 2.Rf4#
- 2.Re6#
- 1...Rxd5
- 2.Re6#
- 1...Sxf6!
- threat
- 1.Qxb5?
- threat
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 2.Qc4#
- 1...Qxc2
- 2.Rd4#
- 2.Re5#
- 2.Rxd6#
- 2.Qc4#
- 1...Qxb4
- 2.Rd4#
- 2.Re5#
- 2.Rxd6#
- 2.Qd3#
- 2.Qxb4#
- 1...Qxa8
- 2.Rd4#
- 2.Qd3#
- 2.Qc4#
- 1...Qb3
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 1...Qa6
- 2.Rd4#
- 2.Re5#
- 1...Qa7
- 2.Rd4#
- 2.Re5#
- 2.Qd3#
- 1...Qxb5!
- threat
- 1.Qxd6?
- threat
- 2.Rd4#
- 2.Re5#
- 2.Qe5#
- 1...Qxa8
- 2.Rd4#
- 2.Qe5#
- 1...Rxd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Rf5
- 2.Rd4#
- 2.Re5#
- 1...Re6
- 2.Rd4#
- 2.Re5#
- 2.Rxe6#
- 2.Qf4#
- 2.Qxe6#
- 1...Rxd6!
- threat
- 1.f3+?
- 1...Rxf3
- 2.Re6#
- 1...Bxf3!
- 1...Rxf3
- 1.f4?
- threat
- 2.Re5#
- 1...Kxe3
- 2.Rd3#
- 1...Rxd5
- 2.Qd3#
- 1...Rxf4
- 2.Re6#
- 1...Rb7
- 2.Qd3#
- 1...Qxc2!
- threat
- 1.Sf3?
- Keys
- 1.Bf4!
- threat
- 2.Rd4#
- 1...Kxf4
- 2.Rg4#
- 1...Rxd5
- 2.Qc4#
- 1...Rxf4
- 2.Re6#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(e);OGATE,XP(G)::QAB1(J)
- R(e);OGATE::QAB1(J)
- R(g);OGATE,XP(C)::R(K)
- R(g);OGATE::R(K)
- R(g);OGATE::R(K),XR(g)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- K(d);S_FLIGHT,XS(D)::B(L)+R(H),DCHECK
- Q(c);XP(B)::B(L)+R(H),DCHECK
- R(e);OGATE,P_SPINR(e),XR(H)::B(L),XR(e)
- R(g);OGATE,SBLOCK,XS(D)::R(K)
- R(e);::S(D)
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::B(L)+R(H),DCHECK
- Q(c);XP(B)::B(L)+R(H),DCHECK
- R(e);OGATE,P_SPINR(e),XR(H)::B(L),XR(e)
- Refutation
- R(e);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);XP(B)::S(F)
- Refutation
- R(e);P_SPINR(e),XR(H)
- Try
- S(F);
- Threat
- B(L)+R(H),DCHECK
- Vars
- R(e);OGATE,P_SPINR(e),XR(H)::QAB1(J)
- Refutation
- Q(c);XP(B)
- Try
- B(I);XR(g)
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT::R1(K)
- B(a);::B(L)+R(H),DCHECK
- S(h);::B(L)+R(H),DCHECK
- Refutation
- S(h);XB(I)
- Try
- R(H);CHECK
- Refutation
- P(f);P_SPINP(f)
- Try
- R(H);CHECK
- Refutation
- P(f);P_SPINP(f)
- Try
- R(K);XR(g)
- Threat
- DUALS(2)
- Vars
- R(e);P_SPINR(e),XR(H)::R(K)
- Refutation
- S(h);XR(K)
- Try
- Q(J);XR(e)
- Threat
- DUALS(4)
- Refutation
- Q(c);XQ(J)
- Try
- Q(J);XP(f)
- Threat
- DUALS(3)
- Refutation
- R(g);XQ(J)
- Try
- P(C);CHECK
- Vars
- R(g);OGATE,XP(C)::R(K)
- Refutation
- B(a);XP(C)
- Try
- P(C);
- Threat
- B(L)+R(H),DCHECK
- Vars
- K(d);P-FLIGHT,XS(F)::R1(H)
- R(e);OGATE,P_SPINR(e),XR(H)::QAB1(J)
- R(g);OGATE,XP(C)::R(K)
- R(e);OGATE::QAB1(J)
- Refutation
- Q(c);XP(B)
- Try
- Actual
- B(I);
- Threat
- B(L)+R(H),DCHECK
- Vars
- K(d);OGATEB,P-FLIGHT,XB(I)::R1(K)
- R(e);OGATE,P_SPINR(e),XR(H)::QAR2(J)
- R(g);OGATE,SBLOCK,XB(I)::R(K)
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