MESON Chess Problem Database
Problem Display
PID: 71277 (2b4K/4Q3/qr5p/3pR3/5kpN/1R4pp/3P4/1BN3b1 w - - 0 1)
Simadhinata, Januarta (Siem Giok Liam)
The Problemist, 2006
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Sxe2#
- 1...Qd3
- 2.Sxd3#
- 1...Qb7
- 2.Se2#
- 2.Sd3#
- 1...Qa1
- 2.Se2#
- 2.Sd3#
- 1...Qa2
- 2.Se2#
- 2.Sd3#
- 1...Qa3
- 2.Se2#
- 2.Sd3#
- 1...Qa4
- 2.Se2#
- 2.Sd3#
- 1...Qa5
- 2.Se2#
- 2.Sd3#
- 1...Qa7
- 2.Se2#
- 2.Sd3#
- 1...Qa8
- 2.Se2#
- 2.Sd3#
- 1...Rb5
- 2.Se2#
- 2.Sd3#
- 1...Re6
- 2.Rf5#
- 1...Be3
- 2.dxe3#
- 1...Bf5
- 2.Rxf5#
- 1...Be6
- 2.Sg6#
- 1...Bb7
- 2.Rf5#
- 1...h2
- 2.Sg2#
- 1...d4
- 2.Re4#
- 1...h5
- 2.Qg5#
- 1...Qe2
- Tries
- 1.Bd3?
- threat
- 2.Se2#
- 1...Qxd3
- 2.Sxd3#
- 1...Re6
- 2.Rf5#
- 1...Be6!
- threat
- 1.Rd3?
- threat
- 2.Se2#
- 1...Qxd3
- 2.Sxd3#
- 1...Be6
- 2.Sg6#
- 1...Re6!
- threat
- 1.Rb4+?
- 1...Qc4
- 2.Se2#
- 2.Sd3#
- 1...Bd4
- 2.Rxd4#
- 1...d4
- 2.Re4#
- 1...Rxb4!
- 1...Qc4
- 1.Rb5?
- threat
- 2.Se2#
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 2.Rf5#
- 1...Be6
- 2.Sd3#
- 1...g2
- 2.Se2#
- 1...Qa3
- 2.Se2#
- 1...Bf5
- 2.Se2#
- 2.Rxf5#
- 1...Qxb5!
- threat
- 1.Rxd5?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Bd4+
- 2.Rxd4#
- 1...Qe2
- 2.Sxe2#
- 1...Qd3
- 2.Sxd3#
- 2.Qe5#
- 1...Qc4
- 2.Qe5#
- 1...Qa4
- 2.Se2#
- 2.Sd3#
- 2.Qe5#
- 1...Rb4
- 2.Qe5#
- 1...Re6
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Be6
- 2.Sg6#
- 1...Qa1+!
- threat
- 1.Qd6?
- threat
- 2.Sg6#
- 2.Rf5#
- 1...Rxb3
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Qd3
- 2.Sxd3#
- 1...Qa1
- 2.Se2#
- 2.Sd3#
- 2.Sg6#
- 1...Be3
- 2.Rf5#
- 2.dxe3#
- 1...Bd4
- 2.Sg6#
- 1...Rxd6!
- threat
- 1.Qf6+?
- 1...Bf5
- 2.Sg6#
- 2.Rxf5#
- 2.Qxf5#
- 1...Rxf6!
- 1...Bf5
- 1.Qf8+?
- 1...Rf6
- 2.Sg6#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Kxe5!
- 1...Rf6
- 1.Qf7+?
- 1...Rf6
- 2.Sg6#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Kxe5!
- 1...Rf6
- 1.Bd3?
- Keys
- 1.Qe6!
- threat
- 2.Sg6#
- 2.Rf5#
- 1...Rxb3
- 2.Rf5#
- 1...Rxe6
- 2.Rf5#
- 1...Bxe6
- 2.Sg6#
- 1...Qd3
- 2.Sxd3#
- 1...Qa1
- 2.Se2#
- 2.Sd3#
- 2.Sg6#
- 1...Be3
- 2.Rf5#
- 2.dxe3#
- 1...Bd4
- 2.Sg6#
- threat
- 1.Qe6!
There are these versions: 75409
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(g);N_GUARD::S(B),XQ(g)
- R(h);S_CUTB(j)::R1(F)
- B(a);OGATE::P(C),XB(a)
- B(j);N_GUARD::R1(F),XB(j)
- B(j);S_CUTR(h)::S(E)
- B(j);N_GUARD::R1(F)
- P(c);N_GUARD::S(E)
- P(f);N_GUARD::R1(F)
- P(i);N_GUARD::QAB1(G)
- Tries
- Try
- B(A);
- Threat
- S(B)
- Vars
- Q(g);XB(A)::S(B),XQ(g)
- R(h);S_CUTB(j)::R1(F)
- Refutation
- B(j);
- Try
- R(D);
- Threat
- S(B)
- Vars
- Q(g);XR(D)::S(B),XQ(g)
- B(j);S_CUTR(h)::S(E)
- Refutation
- R(h);
- Try
- R(D);CHECK
- Vars
- B(a);N_GUARD,P_PINR(F),P_SPINB(a)::R(D),XB(a)
- P(f);N_GUARD,P_SPINP(f)::R1(F)
- Refutation
- R(h);XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(j);::S(B)
- P(b);::S(B)
- Q(g);::S(B)
- Refutation
- Q(g);XR(D)
- Try
- R(F);XP(f)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::R(F),XB(a)
- Q(g);N_GUARD::S(B),XQ(g)
- Q(g);::QAB1(G)
- R(h);::QAB1(G)
- R(h);S_CUTB(j)::R1(F)
- B(j);N_GUARD::R1(F),XB(j)
- B(j);S_CUTR(h)::S(E)
- Refutation
- Q(g);CHECK
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(h);XR(D)::QAB(G)+R(F),DCHECK
- B(j);::QAB(G)+R(F),DCHECK,XB(j)
- Q(g);N_GUARD::S(B),XQ(g)
- B(a);P_PINR(F)::S(E)
- Refutation
- R(h);XQ(G)
- Try
- Q(G);CHECK
- Refutation
- R(h);XQ(G)
- Try
- Q(G);CHECK
- Vars
- R(h);P_SPINR(h)::S(E)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- Q(G);CHECK
- Vars
- R(h);P_SPINR(h)::S(E)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- Actual
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(h);XR(D)::R1(F)
- R(h);XQ(G)::R1(F)
- B(j);XQ(G)::S(E)
- Q(g);N_GUARD::S(B),XQ(g)
- B(a);P_PINR(F)::S(E)
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