MESON Chess Problem Database
Problem Display
PID: 218840 (3R4/6bQ/K1p5/1pk1B3/3p4/nPP5/2p5/3rN3 w - - 0 1)
Slesarenko, Anatoly Vasilevich
5th Prize, The Problemist, 1987
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd3#
- 1...Rb1
- 2.Sd3#
- 1...Rc1
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Bxe5
- 2.Qa7#
- 1...Bf6
- 2.Qa7#
- 1...Bh6
- 2.Qa7#
- 2.Qe7#
- 1...Bf8
- 2.Qa7#
- 1...Bh8
- 2.Qa7#
- 2.Qe7#
- 1...Sc4
- 2.b4#
- 1...Ra1
- Tries
- 1.Bxd4+?
- 1...Bxd4
- 2.Qa7#
- 2.Qe7#
- 1...Rxd4!
- 1...Bxd4
- 1.Bc7?
- threat
- 2.Bb6#
- 1...Sc4
- 2.b4#
- 1...dxc3!
- threat
- 1.Bxg7?
- threat
- 2.Bf8#
- 2.Qf5#
- 2.Qh5#
- 1...Rxe1
- 2.Bxd4#
- 1...c1Q
- 2.Bf8#
- 2.Qf5#
- 1...c1B
- 2.Bf8#
- 2.Qf5#
- 1...Sc4
- 2.b4#
- 1...dxc3!
- threat
- 1.Bb8?
- threat
- 2.Ba7#
- 1...Sc4
- 2.b4#
- 1...dxc3!
- threat
- 1.Rxd4?
- threat
- 2.Bd6#
- 2.b4#
- 1...Bxe5
- 2.Qa7#
- 2.b4#
- 1...Rb1
- 2.Sd3#
- 2.Bd6#
- 1...Bf8
- 2.Qa7#
- 2.b4#
- 1...Sc4
- 2.b4#
- 1...b4
- 2.Bd6#
- 2.cxb4#
- 1...Rxd4!
- threat
- 1.Qe4?
- threat
- 2.Bd6#
- 1...Bxe5
- 2.Qxe5#
- 1...dxc3
- 2.b4#
- 1...Sc4
- 2.b4#
- 1...Bf8!
- threat
- 1.Qf5?
- threat
- 2.Bxd4#
- 2.Bd6#
- 2.Bf6#
- 2.Bxg7#
- 1...Rxe1
- 2.Bxd4#
- 2.Bd6#
- 1...Bxe5
- 2.Qxe5#
- 1...Bf6
- 2.Bxd4#
- 2.Bd6#
- 2.Bxf6#
- 1...Bh6
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Bf8
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 2.Qxf8#
- 1...Bh8
- 2.Bxd4#
- 2.Bd6#
- 2.Bf6#
- 2.Bg7#
- 2.Bxh8#
- 2.Qf8#
- 1...Sc4
- 2.Bxd4#
- 2.Bd6#
- 2.b4#
- 1...d3
- 2.Bd4#
- 2.Bd6#
- 2.Bf6#
- 2.Bxg7#
- 2.Qf2#
- 1...dxc3!
- threat
- 1.Qg8?
- threat
- 2.Bd6#
- 2.b4#
- 1...Bxe5
- 2.b4#
- 1...Rb1
- 2.Sd3#
- 2.Bd6#
- 1...Bf8
- 2.Qxf8#
- 2.b4#
- 1...Sc4
- 2.b4#
- 1...b4
- 2.Bd6#
- 1...dxc3!
- threat
- 1.Qh5?
- threat
- 2.Bxd4#
- 2.Bd6#
- 2.Bf6#
- 2.Bxg7#
- 1...Rxe1
- 2.Bxd4#
- 2.Bd6#
- 1...Bxe5
- 2.Qxe5#
- 1...c1Q
- 2.Bxd4#
- 2.Bd6#
- 1...c1B
- 2.Bxd4#
- 2.Bd6#
- 1...Bf6
- 2.Bxd4#
- 2.Bd6#
- 2.Bxf6#
- 1...Bh6
- 2.Bxd4#
- 2.Bd6#
- 1...Bf8
- 2.Bh2#
- 2.Bg3#
- 2.Bxd4#
- 2.Bf4#
- 2.Bd6#
- 2.Bf6#
- 2.Bc7#
- 2.Bg7#
- 2.Bb8#
- 2.Bh8#
- 1...Bh8
- 2.Bxd4#
- 2.Bd6#
- 2.Bf6#
- 2.Bg7#
- 2.Bxh8#
- 1...Sc4
- 2.Bxd4#
- 2.Bd6#
- 2.b4#
- 1...d3
- 2.Bd4#
- 2.Bd6#
- 2.Bf6#
- 2.Bxg7#
- 1...dxc3!
- threat
- 1.Qxg7?
- threat
- 2.Qf8#
- 2.Qa7#
- 2.Qe7#
- 1...Sc4
- 2.b4#
- 1...dxc3!
- threat
- 1.Bxd4+?
- Keys
- 1.Qd3!
- threat
- 2.b4#
- 1...Rxd3
- 2.Sxd3#
- 1...dxc3
- 2.Bd6#
- 1...Rb1
- 2.Qxd4#
- 1...b4
- 2.cxd4#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- B(h);OGATE,XB(D)::QAB(F)
- B(h);OGATE::QAB(F)
- S(c);SBLOCK::P(B)
- Tries
- Try
- B(D);CHECK,XP(d)
- Refutation
- R(a);XB(D)
- Try
- B(D);
- Threat
- B(D)
- Vars
- S(c);SBLOCK::P(B)
- Refutation
- P(d);XP(C)
- Try
- B(D);XB(h)
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD,XS(A)::B(D),XP(d)
- S(c);SBLOCK::P(B)
- Refutation
- P(d);XP(C)
- Try
- B(D);
- Threat
- B(D)
- Vars
- S(c);SBLOCK::P(B)
- Refutation
- P(d);XP(C)
- Try
- R(G);XP(d)
- Threat
- DUALS(2)
- Vars
- S(c);::P(B)
- Refutation
- R(a);XR(G)
- Try
- Q(F);
- Threat
- B(D)
- Vars
- B(h);OGATE,XB(D)::QAR2(F),XB(h)
- P(d);XP(C)::P(B)
- S(c);SBLOCK::P(B)
- Refutation
- B(h);
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- B(h);OGATE,P_SPINB(h),XB(D)::QAR2(F),XB(h)
- Refutation
- P(d);XP(C)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(h);XB(D)::P(B)
- S(c);::P(B)
- P(e);::B(D)
- Refutation
- P(d);XP(C)
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- B(h);OGATE,P_SPINB(h),XB(D)::QAR2(F),XB(h)
- Refutation
- P(d);XP(C)
- Try
- Q(F);XB(h)
- Threat
- DUALS(3)
- Vars
- S(c);SBLOCK::P(B)
- Refutation
- P(d);XP(C)
- Try
- Actual
- Q(F);
- Threat
- P(B)
- Vars
- R(a);XQ(F)::S(A),XR(a)
- P(d);XP(C)::B(D)
- R(a);N_GUARD::QAB1(F),XP(d)
- P(e);SBLOCK::P(C),XP(d)
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