MESON Chess Problem Database
Problem Display
PID: 51554 (2BK4/3NB3/3R3p/1P2NP1r/b1Rrk3/4Pp2/3Pnp2/n4Q2 w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
The Guardian, 1964
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxf5
- 2.Bb7#
- 1...Sb3
- 2.Qb1#
- 1...Sg1
- 2.Qd3#
- 1...Sc3
- 2.Qd3#
- 1...Sg3
- 2.Qd3#
- 1...Rxf5
- Tries
- 1.Sd3?
- threat
- 2.S7c5#
- 1...Kxd3
- 2.Rdxd4#
- 1...Kxf5
- 2.S7c5#
- 1...Rxc4
- 2.Sf6#
- 1...Rxf5
- 2.Sxf2#
- 1...Sb3!
- threat
- 1.Sc6?
- threat
- 2.Sc5#
- 1...Kd3
- 2.Rdxd4#
- 1...Kxf5
- 2.Sc5#
- 1...Rxc4
- 2.Sf6#
- 1...Sb3
- 2.Qb1#
- 1...Rxf5!
- threat
- 1.Sg6?
- threat
- 2.Sc5#
- 1...Kd3
- 2.Rdxd4#
- 1...Kxf5
- 2.Sc5#
- 1...Rxc4
- 2.Sf6#
- 1...Sb3
- 2.Qb1#
- 1...Rxf5!
- threat
- 1.Sf7?
- threat
- 2.Sc5#
- 1...Kd3
- 2.Rdxd4#
- 1...Kxf5
- 2.Sc5#
- 1...Rxc4
- 2.Sf6#
- 1...Sb3
- 2.Qb1#
- 1...Rxf5!
- threat
- 1.Bf6?
- threat
- 2.Sc5#
- 1...Kxf5
- 2.Sc5#
- 1...Sb3
- 2.Qb1#
- 1...Rxc4!
- threat
- 1.Rcxd4+?
- 1...Sxd4
- 2.Qd3#
- 1...Kxf5!
- 1...Sxd4
- 1.Rd5?
- threat
- 2.Sf6#
- 1...Kxd5
- 2.Bb7#
- 1...Kxf5
- 2.Sc5#
- 1...Rxf5!
- threat
- 1.Qh3?
- threat
- 2.Bb7#
- 2.Qxf3#
- 1...Rxc4
- 2.Qxf3#
- 1...Rxf5
- 2.Bb7#
- 1...Bxb5
- 2.Qxf3#
- 1...f1Q
- 2.Bb7#
- 1...f1R
- 2.Bb7#
- 1...Sg1
- 2.Bb7#
- 2.Rcxd4#
- 2.Rdxd4#
- 2.Qg4#
- 1...Sc3
- 2.Rcxd4#
- 2.Rdxd4#
- 2.Qg4#
- 2.Qxf3#
- 1...Sg3
- 2.Bb7#
- 2.Rcxd4#
- 2.Rdxd4#
- 2.Qg4#
- 1...Sf4
- 2.Rcxd4#
- 2.Rdxd4#
- 1...Rxh3!
- threat
- 1.Sd3?
- Keys
- 1.Sg4!
- threat
- 2.Sc5#
- 1...Kd3
- 2.Rdxd4#
- 1...Kxf5
- 2.Sc5#
- 1...Rxc4
- 2.Sdf6#
- 1...Rxf5
- 2.Sxf2#
- 1...Sb3
- 2.Qb1#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(h);SBLOCK,XP(G)::B(K)
- S(a);N_GUARD,S_CUTB(e)::QAB(A)
- S(b);OGATE::QAB1(A)
- Tries
- Try
- S(F);
- Threat
- S(I)
- Vars
- K(g);P_SPINS(b),S_FLIGHT,XS(F)::R1(H),XR(f)
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- R(f);N_SPINR(f),XR(D)::S(I)
- R(h);SBLOCK,XP(G)::S(F),XP(c)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- S(I)
- Vars
- K(g);P_SPINS(b),S_FLIGHT::R1(H),XR(f)
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- R(f);N_SPINR(f),XR(D)::S(I)
- S(a);N_GUARD,S_CUTB(e)::QAB(A)
- Refutation
- R(h);XP(G)
- Try
- S(F);
- Threat
- S(I)
- Vars
- K(g);P_SPINS(b),S_FLIGHT::R1(H),XR(f)
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- R(f);N_SPINR(f),XR(D)::S(I)
- S(a);N_GUARD,S_CUTB(e)::QAB(A)
- Refutation
- R(h);XP(G)
- Try
- S(F);
- Threat
- S(I)
- Vars
- K(g);P_SPINS(b),S_FLIGHT::R1(H),XR(f)
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- R(f);N_SPINR(f),XR(D)::S(I)
- S(a);N_GUARD,S_CUTB(e)::QAB(A)
- Refutation
- R(h);XP(G)
- Try
- B(J);
- Threat
- S(I)
- Vars
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- S(a);N_GUARD,S_CUTB(e)::QAB(A)
- Refutation
- R(f);N_SPINR(f),XR(D)
- Try
- R(D);CHECK,XR(f)
- Vars
- S(b);OGATE,XR(D)::QAB1(A)
- Refutation
- K(g);S_FLIGHT,XP(G)
- Try
- R(H);
- Threat
- S(I)
- Vars
- K(g);N_SPINR(f),OGATEB,S_FLIGHT,XR(H)::B(K)
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- Refutation
- R(h);XP(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(f);N_SPINR(f),XR(D)::QAB1(A),XP(d)
- R(h);XP(G)::B(K)
- B(e);XP(E)::QAB1(A),XP(d)
- P(c);::B(K)
- Refutation
- R(h);XQ(A)
- Try
- Actual
- S(F);
- Threat
- S(I)
- Vars
- K(g);P_SPINS(b),S_FLIGHT::R1(H),XR(f)
- K(g);N_SPINR(f),S_FLIGHT,XP(G)::B(K)+S(I)
- R(f);N_SPINR(f),XR(D)::S(I)
- R(h);SBLOCK,XP(G)::S(F),XP(c)
- S(a);N_GUARD,S_CUTB(e)::QAB(A)
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