MESON Chess Problem Database
Problem Display
PID: 160194 (r2RNRK1/p3B3/4p3/2P1k1p1/1Q6/1N2p2b/6r1/b6B w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
British Chess Magazine, 2004
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bd6#
- 2.Qe4#
- 1...Ra2
- 2.Bd6#
- 2.Qe4#
- 1...Rb2
- 2.Bd6#
- 2.Qc3#
- 2.Qd4#
- 2.Qe4#
- 1...Rc2
- 2.Bd6#
- 2.Qe4#
- 1...Rd2
- 2.Qe4#
- 1...Re2
- 2.Bd6#
- 2.Qe4#
- 1...Rf2
- 2.Bd6#
- 2.Qe4#
- 1...Rh2
- 2.Bd6#
- 2.Qe4#
- 1...Rg3
- 2.Bd6#
- 2.Qe4#
- 1...Rg4
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Bf5
- 2.Bf6#
- 1...g4
- 2.Qf4#
- 1...Rg1
- Tries
- 1.Sxa1?
- threat
- 2.Qd4#
- 1...Rd2
- 2.Qe4#
- 1...Rg4
- 2.Bd6#
- 1...Rxd8!
- threat
- 1.Sc1?
- threat
- 2.Sd3#
- 1...Bd4
- 2.Qxd4#
- 1...Rd2
- 2.Qe4#
- 1...Bf5
- 2.Bf6#
- 1...Rxd8!
- threat
- 1.Sd2?
- threat
- 2.Sf3#
- 2.Qe4#
- 1...Rxd2
- 2.Qe4#
- 1...Rxd8
- 2.Qe4#
- 1...Rf2
- 2.Sc4#
- 2.Bd6#
- 2.Qe4#
- 1...Rg3
- 2.Sc4#
- 2.Bd6#
- 2.Qe4#
- 1...Rg4
- 2.Sf3#
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Bg4
- 2.Qe4#
- 1...Bf5
- 2.Sf3#
- 2.Bf6#
- 1...g4
- 2.Qe4#
- 2.Qf4#
- 1...exd2!
- threat
- 1.Sf6?
- threat
- 2.Qe4#
- 1...Kf5
- 2.Qe4#
- 1...Rg4
- 2.Sd7#
- 1...Bf5
- 2.Bd6#
- 1...Bd4!
- threat
- 1.Sc7?
- threat
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Rd2
- 2.Qe4#
- 1...Rxd8!
- threat
- 1.Sg7?
- threat
- 2.Bf6#
- 1...Bd4
- 2.Qxd4#
- 1...Rf2
- 2.Bd6#
- 2.Qe4#
- 1...Rxd8!
- threat
- 1.Bxg2?
- threat
- 2.Bd6#
- 2.Qe4#
- 1...Rxd8
- 2.Qe4#
- 1...Bd4
- 2.Bd6#
- 2.Qxd4#
- 1...Bf5
- 2.Bd6#
- 2.Bf6#
- 1...Bxg2!
- threat
- 1.Rd1?
- threat
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Rd2
- 2.Qe4#
- 1...Rd8!
- threat
- 1.Rd3?
- threat
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Rd8!
- threat
- 1.Rd4?
- threat
- 2.Bd6#
- 1...Bxd4
- 2.Qxd4#
- 1...Rd8!
- threat
- 1.Rf1?
- threat
- 2.Bf6#
- 1...Rf2
- 2.Qe4#
- 1...Bd4
- 2.Qxd4#
- 1...Rxd8!
- threat
- 1.Rf3?
- threat
- 2.Bf6#
- 1...Bd4
- 2.Qxd4#
- 1...Rxd8!
- threat
- 1.Rf4?
- threat
- 2.Bf6#
- 2.Qe4#
- 1...Rxd8
- 2.Qe4#
- 1...Bd4
- 2.Qxd4#
- 1...Bf5
- 2.Bf6#
- 1...gxf4+!
- threat
- 1.Qc4?
- threat
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Rd2
- 2.Qe4#
- 1...Rxd8!
- threat
- 1.Qb7?
- threat
- 2.Bd6#
- 1...Rd2
- 2.Qe4#
- 1...Rxd8!
- threat
- 1.Sxa1?
- Keys
- 1.Sd6!
- threat
- 2.Qe4#
- 1...Kd5
- 2.Qe4#
- 1...Rg4
- 2.Bf6#
- 1...Bd4
- 2.Qxd4#
- 1...Bf5
- 2.Sf7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(b);::QAR1(C)
- R(b);::B(E)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(d);SBLOCK::B(E)
- P(f);N_GUARD::QAB1(C)
- Tries
- Try
- S(B);XB(a)
- Threat
- QAB1(C)
- Vars
- R(b);::QAR1(C)
- R(b);::B(E)
- Refutation
- R(i);XR(F)
- Try
- S(B);
- Threat
- S(B)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- R(b);::QAR1(C)
- B(d);SBLOCK::B(E)
- Refutation
- R(i);XR(F)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(b);XS(B)::QAR1(C)
- R(i);XR(F)::QAR1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(d);::QAR1(C)
- Refutation
- P(c);XS(B)
- Try
- S(G);
- Threat
- QAR1(C)
- Vars
- K(e);P-FLIGHT::QAB1(C)
- R(b);::S(G)
- B(d);SBLOCK::B(E)
- Refutation
- B(a);
- Try
- S(G);
- Threat
- B(E)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- R(b);::QAR1(C)
- Refutation
- R(i);P_PINR(H),XR(F)
- Try
- S(G);
- Threat
- B(E)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- R(i);P_PINR(H),XR(F)
- Try
- B(A);XR(b)
- Threat
- DUALS(2)
- Vars
- R(i);XR(F)::QAR1(C)
- Refutation
- B(d);XB(A)
- Try
- R(F);
- Threat
- B(E)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- R(b);::QAR1(C)
- Refutation
- R(i);
- Try
- R(F);
- Threat
- B(E)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- R(i);
- Try
- R(F);
- Threat
- B(E)
- Vars
- B(a);OGATE,XR(F)::QAB1(C),XB(a)
- Refutation
- R(i);
- Try
- R(H);
- Threat
- B(E)
- Vars
- R(b);::QAR1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- R(i);P_PINS(G),XR(F)
- Try
- R(H);
- Threat
- B(E)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- Refutation
- R(i);P_PINS(G),XR(F)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(i);P_PINS(G),XR(F)::QAR1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(d);::B(E)
- Refutation
- P(f);CHECK,XR(H)
- Try
- Q(C);
- Threat
- B(E)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- R(b);::QAR1(C)
- Refutation
- R(i);XR(F)
- Try
- Q(C);
- Threat
- B(E)
- Vars
- R(b);::QAR1(C)
- Refutation
- R(i);XR(F)
- Try
- Actual
- S(G);
- Threat
- QAR1(C)
- Vars
- K(e);P-FLIGHT,P_SPINR(b)::QAB1(C)
- R(b);::B(E)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(d);SBLOCK::S(G)
Developed and maintained by Brian Stephenson.
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