MESON Chess Problem Database
Problem Display
PID: 163097 (3R4/1b2Kpp1/pR2Np1b/4k1B1/2p4r/6P1/2BNP3/1Q6 w - - 0 1)
Murashev, Pavel Aleksandrovich
StrateGems, 2013
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sxc4#
- 1...Rh2
- 2.Sxc4#
- 1...Rh3
- 2.Sxc4#
- 1...Rf4
- 2.gxf4#
- 1...Rh5
- 2.Sxc4#
- 1...Bf3
- 2.Sxf3#
- 1...Bc8
- 2.Sf3#
- 1...fxe6
- 2.Rxe6#
- 1...g6
- 2.Bxf6#
- 1...Rh1
- Tries
- 1.Sf4?
- threat
- 2.Sxc4#
- 1...Rxf4
- 2.gxf4#
- 1...Bd5
- 2.Rxd5#
- 1...c3
- 2.Sc4#
- 1...Be4!
- threat
- 1.Bg6?
- threat
- 2.Qf5#
- 1...fxe6
- 2.Rxe6#
- 1...Re4
- 2.Sf3#
- 1...Rf4
- 2.gxf4#
- 1...Be4
- 2.Sxc4#
- 1...f5
- 2.Qxf5#
- 1...fxg6!
- threat
- 1.Bf4+?
- 1...Bxf4
- 2.Sxc4#
- 1...Rxf4!
- 1...Bxf4
- 1.Rb5+?
- 1...Bd5
- 2.Sf3#
- 2.Rbxd5#
- 2.Rdxd5#
- 1...axb5!
- 1...Bd5
- 1.Rc6?
- threat
- 2.Sf3#
- 1...Bxc6
- 2.Qb8#
- 1...Rf4
- 2.gxf4#
- 1...Re4!
- threat
- 1.Rxb7?
- threat
- 2.Sf3#
- 1...Rf4
- 2.gxf4#
- 1...Re4!
- threat
- 1.Qa1+?
- 1...Rd4
- 2.Sxc4#
- 2.Qxd4#
- 1...c3!
- 1...Rd4
- 1.Qf1?
- threat
- 2.Qf5#
- 1...fxe6
- 2.Rxe6#
- 1...Rf4
- 2.Qxf4#
- 2.gxf4#
- 1...Bf3
- 2.Sxf3#
- 1...Be4
- 2.Sxc4#
- 1...f5
- 2.Qxf5#
- 1...g6
- 2.Bxf6#
- 2.Qxf6#
- 1...Re4!
- threat
- 1.Qb2+?
- 1...Rd4
- 2.Sxc4#
- 2.Qxd4#
- 1...c3!
- 1...Rd4
- 1.Qb5+?
- 1...Bd5
- 2.Sf3#
- 2.Rxd5#
- 2.Qxd5#
- 1...axb5!
- 1...Bd5
- 1.Sf4?
- Keys
- 1.Bh7!
- threat
- 2.Qf5#
- 1...fxe6
- 2.Rxe6#
- 1...Re4
- 2.Sf3#
- 1...Rf4
- 2.gxf4#
- 1...Be4
- 2.Sxc4#
- 1...f5
- 2.Qxf5#
- 1...g6
- 2.Bxf6#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::S(C),XP(a)
- R(b);OGATE::P(E),XR(b)
- B(g);N_GUARD::S(C),XB(g)
- B(g);N_GUARD::S(C)
- P(h);OGATE,XS(H)::R1(G),XP(h)
- P(i);N_GUARD::B(F),XP(e)
- Tries
- Try
- S(H);
- Threat
- S(C),XP(a)
- Vars
- R(b);OGATE,XS(H)::P(E),XR(b)
- B(g);N_GUARD::R1(J),XB(g)
- P(a);::S(C)
- Refutation
- B(g);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- P(h);OGATE,XS(H)::R1(G),XP(h)
- R(b);S_CUTB(g)::S(C)
- R(b);OGATE::P(E),XR(b)
- B(g);S_CUTR(b)::S(C),XP(a)
- P(e);::QAR1(A),XP(e)
- Refutation
- P(h);XB(B)
- Try
- B(F);CHECK
- Vars
- B(f);XB(F)::S(C),XP(a)
- Refutation
- R(b);XB(F)
- Try
- R(G);CHECK
- Refutation
- P(d);XR(G)
- Try
- R(G);
- Threat
- S(C)
- Vars
- B(g);OGATE,XR(G)::QAB(A)
- R(b);OGATE::P(E),XR(b)
- Refutation
- R(b);
- Try
- R(G);XB(g)
- Threat
- S(C)
- Vars
- R(b);OGATE::P(E),XR(b)
- Refutation
- R(b);
- Try
- Q(A);CHECK
- Refutation
- P(a);P_SPINP(a)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(h);OGATE,XS(H)::R1(G),XP(h)
- B(g);N_GUARD::S(C),XB(g)
- B(g);S_CUTR(b)::S(C),XP(a)
- P(e);::QAR1(A),XP(e)
- Refutation
- R(b);
- Try
- Q(A);CHECK
- Refutation
- P(a);P_SPINP(a)
- Try
- Q(A);CHECK
- Refutation
- P(d);XQ(A)
- Try
- Actual
- B(B);
- Threat
- QAR1(A)
- Vars
- P(h);OGATE,XS(H)::R1(G),XP(h)
- R(b);S_CUTB(g)::S(C)
- R(b);OGATE::P(E),XR(b)
- B(g);S_CUTR(b)::S(C),XP(a)
- P(e);::QAR1(A),XP(e)
- P(i);N_GUARD::B(F),XP(e)
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