MESON Chess Problem Database
Problem Display
PID: 8044 (8/8/p2N2p1/R3P1r1/1p3kpQ/1Pp3p1/1PR1B3/3NK3 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Qxg4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...cxb2
- 2.Rc4#
- 1...g2
- 2.Qf2#
- 1...Rxe5
- Tries
- 1.Kf1?
- 1...Rxe5
- 2.Qxg4#
- 1...cxb2
- 2.Rc4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...g2+!
- 1...Rxe5
- 1.Se3?
- threat
- 2.Sg2#
- 1...g2
- 2.Sxg2#
- 2.Qf2#
- 1...Kxe3!
- threat
- 1.Rc1?
- 1...Rxe5
- 2.Qxg4#
- 1...cxb2
- 2.Rc4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...g2
- 2.Qf2#
- 1...c2!
- 1...Rxe5
- 1.Rd2?
- threat
- 2.Rd4#
- 1...Rxe5
- 2.Qxg4#
- 1...cxd2+!
- threat
- 1.Rxc3?
- threat
- 2.Rf3#
- 2.Rc4#
- 2.Qxg3#
- 1...Rxe5
- 2.Rf3#
- 2.Qxg4#
- 1...Rf5
- 2.Rf3#
- 2.Rc4#
- 2.Qxg4#
- 1...Rh5
- 2.Rf3#
- 2.Rc4#
- 2.Qxg4#
- 1...g2
- 2.Rf3#
- 2.Rc4#
- 2.Qf2#
- 2.Qg3#
- 1...bxc3!
- threat
- 1.Rc5?
- 1...Rxe5
- 2.Qxg4#
- 1...cxb2
- 2.R2c4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...g2
- 2.Qf2#
- 1...a5!
- 1...Rxe5
- 1.Rd5?
- 1...Rxe5
- 2.Qxg4#
- 1...cxb2
- 2.Rc4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...g2
- 2.Qf2#
- 1...a5!
- 1...Rxe5
- 1.Qh3?
- threat
- 2.Qf1#
- 1...Rxe5
- 2.Qxg4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...g2
- 2.Qe3#
- 1...gxh3!
- threat
- 1.Qh6?
- 1...cxb2
- 2.Rc4#
- 1...g2!
- 1...cxb2
- 1.bxc3?
- 1...Rxe5
- 2.Qxg4#
- 1...Rf5
- 2.Qxg4#
- 1...Rh5
- 2.Qxg4#
- 1...g2
- 2.Qf2#
- 1...bxc3!
- 1...Rxe5
- 1.Kf1?
- Keys
- 1.Bxg4!
- 1...Rxe5+
- 2.Be2#
- 1...Rxg4
- 2.Qf6#
- 1...cxb2
- 2.Rc4#
- 1...Rf5
- 2.Be2#
- 2.Bh5#
- 1...Rh5
- 2.Bxh5#
- 1...g2
- 2.Rf2#
- 1...Rxe5+
- 1.Bxg4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- R(f);N_GUARD::QAR1(G),XP(e)
- P(a);OGATE,XP(C)::R(D)
- P(b);OGATE::QAR2(G)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- R(f);N_GUARD,XP(I)::QAR1(G),XP(e)
- P(a);OGATE,XP(C)::R(D)
- R(f);N_GUARD::QAR1(G),XP(e)
- Refutation
- P(b);CHECK
- Try
- S(A);
- Threat
- S(A)
- Refutation
- K(d);N_SPINP(e),S_FLIGHT,XS(A)
- Try
- R(D);
- Vars
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- P(a);OGATE,XP(C)::R(D)
- R(f);N_GUARD::QAR1(G),XP(e)
- P(b);OGATE::QAR2(G)
- Refutation
- P(a);
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- Refutation
- P(a);CHECK,XR(D)
- Try
- R(D);XP(a)
- Threat
- DUALS(3)
- Refutation
- P(c);XR(D)
- Try
- R(H);
- Vars
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- P(a);OGATE,XP(C)::R(D)
- R(f);N_GUARD::QAR1(G),XP(e)
- P(b);OGATE::QAR2(G)
- Refutation
- P(g);
- Try
- R(H);
- Vars
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- P(a);OGATE,XP(C)::R(D)
- R(f);N_GUARD::QAR1(G),XP(e)
- P(b);OGATE::QAR2(G)
- Refutation
- P(g);
- Try
- Q(G);N_PINP(e)
- Threat
- QAR(G)
- Vars
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- R(f);N_GUARD::QAR1(G),XP(e)
- P(b);OGATE::QAB1(G)
- Refutation
- P(e);XQ(G)
- Try
- Q(G);N_PINP(e),P_PINR(f)
- Vars
- P(a);OGATE,XP(C)::R(D)
- Refutation
- P(b);
- Try
- P(C);XP(a)
- Vars
- R(f);N_GUARD,P_PINB(E),XP(I)::QAR1(G),XP(e)
- R(f);N_GUARD::QAR1(G),XP(e)
- P(b);OGATE::QAR2(G)
- Refutation
- P(c);XP(C)
- Try
- Actual
- B(E);XP(e)
- Vars
- R(f);CHECK,N_GUARD,XP(I)::QAR(G)+B(E)
- R(f);OGATE,P_SPINR(f),SBLOCK,XB(E)::QAR2(G)
- P(a);OGATE,XP(C)::R(D)
- R(f);N_GUARD::QAR(G)+B(E),XR(f)
- P(b);N_GUARD::R(D)
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