MESON Chess Problem Database
Problem Display
PID: 255614 (6b1/8/np1B2p1/5Rp1/R1Pk3P/3P1pN1/2pPp1p1/K1N1nBr1 w - - 0 1)
Uris, Miguel
Astafyeva-30 JT (Kudesnik), 2021
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Bxc4
- 2.Rxc4#
- 1...Bd5
- 2.Rxd5#
- 1...Bh7
- 2.Rd5#
- 1...Sxd3
- 2.Sb3#
- 1...Sc5
- 2.Be5#
- 1...f2
- 2.Sgxe2#
- 1...gxh4
- 2.Rf4#
- 1...g4
- 2.Rf4#
- 1...gxf5
- 2.Sxf5#
- 1...Bxc4
- Tries
- 1.Bxe2?
- threat
- 2.Sb3#
- 1...fxe2
- 2.Sgxe2#
- 1...Sc5
- 2.Be5#
- 1...Sxd3!
- threat
- 1.Ba3?
- threat
- 2.Bb2#
- 1...Sxd3
- 2.Sb3#
- 1...Bd5
- 2.Rxd5#
- 1...gxf5!
- threat
- 1.Be7?
- threat
- 2.Bf6#
- 1...Sxd3
- 2.Sb3#
- 1...Bd5
- 2.Rxd5#
- 1...gxf5!
- threat
- 1.Bf8?
- threat
- 2.Bg7#
- 1...Sxd3
- 2.Sb3#
- 1...Bd5
- 2.Rxd5#
- 1...gxf5!
- threat
- 1.Rxf3?
- threat
- 2.Scxe2#
- 2.Sb3#
- 2.Sgxe2#
- 1...Sxd3
- 2.Scxe2#
- 2.Sb3#
- 2.Rxd3#
- 1...Sxf3
- 2.Sgxe2#
- 1...exf1Q
- 2.Sb3#
- 1...exf1S
- 2.Sce2#
- 2.Sb3#
- 2.Sge2#
- 1...exf1B
- 2.Sb3#
- 1...exf1R
- 2.Sce2#
- 2.Sb3#
- 2.Sge2#
- 1...gxf1Q
- 2.Sb3#
- 1...gxf1B
- 2.Sb3#
- 1...Sc5
- 2.Scxe2#
- 2.Sgxe2#
- 1...Bxc4!
- threat
- 1.Rb5?
- threat
- 2.Be5#
- 1...Sxd3
- 2.Sb3#
- 1...Bd5
- 2.Rxd5#
- 1...Sc5!
- threat
- 1.Re5?
- threat
- 2.Re4#
- 1...Bxc4
- 2.Rxc4#
- 1...Bd5
- 2.Rxd5#
- 1...Sc5!
- threat
- 1.Rxg5?
- threat
- 2.Rg4#
- 1...Bxc4
- 2.Rxc4#
- 1...Sxd3
- 2.Sb3#
- 1...Sc5
- 2.Be5#
- 1...Bd5
- 2.Rxd5#
- 1...Be6!
- threat
- 1.c5+?
- 1...Bc4
- 2.Rxc4#
- 1...Sb4!
- 1...Bc4
- 1.Bxe2?
- Keys
- 1.hxg5!
- threat
- 2.Rf4#
- 1...Bxc4
- 2.Rxc4#
- 1...Sxd3
- 2.Sb3#
- 1...gxf5
- 2.Sxf5#
- 1...Sc5
- 2.Be5#
- 1...Bd5
- 2.Rxd5#
- threat
- 1.hxg5!
There are these versions: 258187
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- B(l);OGATE,P_SPINB(l),XP(H)::R1(G),XB(l)
- B(l);N_GUARD::R1(J),XB(l)
- B(l);N_GUARD::R1(J)
- S(a);SBLOCK,XP(E)::S(B)
- S(i);SBLOCK::B(K)
- P(f);N_GUARD::S(F),XP(d)
- P(h);N_GUARD,XP(I)::R(J)
- P(h);N_GUARD::R(J)
- P(k);XR(J)::S(F),XP(k)
- Tries
- Try
- B(C);XP(d)
- Threat
- S(B)
- Vars
- P(f);XB(C)::S(F),XP(f)
- S(i);SBLOCK::B(K)
- Refutation
- S(a);P_PINS(B),XP(E)
- Try
- B(K);
- Threat
- B(K)
- Vars
- S(a);SBLOCK,XP(E)::S(B)
- B(l);N_GUARD::R1(J),XB(l)
- Refutation
- P(k);XR(J)
- Try
- B(K);
- Threat
- B(K)
- Vars
- S(a);SBLOCK,XP(E)::S(B)
- B(l);N_GUARD::R1(J),XB(l)
- Refutation
- P(k);XR(J)
- Try
- B(K);
- Threat
- B(K)
- Vars
- S(a);SBLOCK,XP(E)::S(B)
- B(l);N_GUARD::R1(J),XB(l)
- Refutation
- P(k);XR(J)
- Try
- R(J);XP(f)
- Threat
- DUALS(3)
- Vars
- S(a);XR(J)::S(F),XP(d)
- P(d);XB(C)::S(B)
- P(e);XB(C)::S(B)
- Refutation
- B(l);P_SPINB(l),XP(H)
- Try
- R(J);
- Threat
- B(K)
- Vars
- S(a);SBLOCK,XP(E)::S(B)
- B(l);N_GUARD::R1(J),XB(l)
- Refutation
- S(i);
- Try
- R(J);
- Threat
- R1(J)
- Vars
- B(l);OGATE,P_SPINB(l),XP(H)::R1(G),XB(l)
- B(l);N_GUARD::R1(J),XB(l)
- Refutation
- S(i);
- Try
- R(J);XP(h)
- Threat
- R(J)
- Vars
- B(l);OGATE,P_SPINB(l),XP(H)::R1(G),XB(l)
- S(a);SBLOCK,XP(E)::S(B)
- S(i);SBLOCK::B(K)
- B(l);N_GUARD::R1(J),XB(l)
- Refutation
- B(l);
- Try
- P(H);CHECK
- Vars
- B(l);N_GUARD,P_SPINB(l)::R1(G),XB(l)
- Refutation
- S(i);P_SPINS(i)
- Try
- Actual
- P(I);XP(h)
- Threat
- R(J)
- Vars
- B(l);OGATE,P_SPINB(l),XP(H)::R1(G),XB(l)
- S(a);SBLOCK,XP(E)::S(B)
- P(k);XR(J)::S(F),XP(k)
- S(i);SBLOCK::B(K)
- B(l);N_GUARD::R1(J),XB(l)
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