MESON Chess Problem Database
Problem Display
PID: 22536 (3N3b/1n2q3/6Q1/3r1r2/bPPk1PR1/1p2p3/1n2K2N/2R1B2B w - - 0 1)
Swindley, Cyril P
1st Prize, Ahues JT, 1982
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxb4
- 2.Se6#
- 1...Qh4
- 2.Se6#
- 1...Qc5
- 2.Se6#
- 1...Qg5
- 2.Se6#
- 1...Qf8
- 2.Se6#
- 1...Qe6
- 2.Sxe6#
- 1...Qc7
- 2.Se6#
- 1...Qg7
- 2.Se6#
- 1...Qh7
- 2.Se6#
- 1...Rb5
- 2.Sc6#
- 1...Rxf4
- 2.Sf3#
- 1...Re5
- 2.Sf3#
- 1...Rg5
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rf6
- 2.Sf3#
- 1...Rf7
- 2.Sf3#
- 1...Rf8
- 2.Sf3#
- 1...Bc6
- 2.Sxc6#
- 1...Sxc4
- 2.Bc3#
- 1...Qxb4
- Tries
- 1.Bxd5?
- threat
- 2.Sf3#
- 2.Bc3#
- 1...Qxb4
- 2.Se6#
- 1...Rxd5
- 2.Sf3#
- 1...Qe4
- 2.Bc3#
- 1...Sd1
- 2.Sf3#
- 2.Rxd1#
- 1...Sxc4!
- threat
- 1.Qxf5?
- threat
- 2.Sf3#
- 2.Qxd5#
- 1...Qxb4
- 2.Se6#
- 2.Qxd5#
- 1...Qxd8
- 2.Sf3#
- 2.Qe4#
- 1...Rxd8
- 2.Sf3#
- 1...Qc5
- 2.Sf3#
- 2.Se6#
- 2.Qe4#
- 1...Qg5
- 2.Sf3#
- 2.Se6#
- 2.Qe4#
- 2.fxg5#
- 1...Qd6
- 2.Sf3#
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Qe5
- 2.Sf3#
- 2.fxe5#
- 1...Qe6
- 2.Sf3#
- 2.Sxe6#
- 1...Qd7
- 2.Sf3#
- 2.Qe4#
- 1...Qf7
- 2.Sf3#
- 2.Qe4#
- 1...Ra5
- 2.Sf3#
- 1...Rb5
- 2.Sf3#
- 2.Sc6#
- 1...Rc5
- 2.Sf3#
- 1...Re5
- 2.Sf3#
- 2.fxe5#
- 1...Rd6
- 2.Sf3#
- 1...Rd7
- 2.Sf3#
- 1...Bc6
- 2.Sf3#
- 2.Sxc6#
- 1...Be5
- 2.Sf3#
- 2.Qe4#
- 2.fxe5#
- 1...Rxf5!
- threat
- 1.Qa6?
- threat
- 2.Bc3#
- 1...Qxb4
- 2.Se6#
- 1...Rb5
- 2.Sc6#
- 1...Sd1
- 2.Rxd1#
- 1...Bb5!
- threat
- 1.Qc6?
- threat
- 2.Bc3#
- 1...Qxb4
- 2.Se6#
- 1...Bxc6
- 2.Sxc6#
- 1...Qc5
- 2.Se6#
- 1...Rc5
- 2.Sf3#
- 1...Sd1
- 2.Rxd1#
- 1...Sc5!
- threat
- 1.Bxd5?
- Keys
- 1.Qe6!
- threat
- 2.Sf3#
- 1...Qxb4
- 2.Qxe3#
- 1...Qxe6
- 2.Sxe6#
- 1...Rde5
- 2.Bc3#
- 1...Rfe5
- 2.fxe5#
- 1...Be5
- 2.Qxd5#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 16
- Sets
- Q(i);N_GUARD,XP(F)::S(K)
- Q(i);N_GUARD::S(K)
- Q(i);N_GUARD::S(K),XQ(i)
- R(f);S_CUTB(d)::S(K)
- R(g);P_SPINR(g),XP(H)::S(E)
- R(g);::S(E)
- B(d);N_GUARD::S(K),XB(d)
- S(a);SBLOCK,XP(G)::B(B)
- Tries
- Try
- B(C);XR(f)
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XP(F)::S(K)
- R(g);XB(C)::S(E)
- Q(i);::B(B)
- Refutation
- S(a);XP(G)
- Try
- Q(J);XR(g)
- Threat
- DUALS(2)
- Vars
- R(f);XS(K)::S(E)
- Q(i);N_GUARD::QAR1(J),XQ(i)
- R(f);::S(E)
- Refutation
- R(f);XQ(J)
- Try
- Q(J);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD,XP(F)::S(K)
- R(f);S_CUTB(d)::S(K)
- S(a);N_GUARD::R(A),XS(a)
- Refutation
- B(d);P_PINP(G)
- Try
- Q(J);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD,XP(F)::S(K)
- B(d);XQ(J)::S(K),XB(d)
- Q(i);N_GUARD::S(K)
- R(f);::S(E)
- S(a);N_GUARD::R(A),XS(a)
- Refutation
- S(h);
- Try
- Actual
- Q(J);
- Threat
- S(E)
- Vars
- Q(i);N_GUARD,XP(F)::QAB1(J),XP(c)
- Q(i);XQ(J)::S(K),XQ(i)
- R(f);::B(B)
- R(g);OGATE::R(I)+P(H),XR(g)
- B(j);S_CUTR(g)::QAR1(J),XR(f)
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