MESON Chess Problem Database
Problem Display
PID: 160515 (8/8/8/Q2n3p/1rP4K/1PkPP3/p3P3/2BB4 w - - 0 1)
Rice, John Michael
British Chess Magazine, 2010
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Sxe3
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sxe3
- Tries
- 1.Kg3?
- 1...Sxe3
- 2.Qe5#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sf4
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...h4+!
- 1...Sxe3
- 1.Kg5?
- 1...Sxe3
- 2.Qe5#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sf4
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...h4!
- 1...Sxe3
- 1.Qxa2?
- threat
- 2.Bd2#
- 2.Qa1#
- 2.Qb2#
- 2.Qc2#
- 2.Qd2#
- 1...Rxb3
- 2.Bd2#
- 2.Qxb3#
- 2.Qd2#
- 1...Sxe3
- 2.Qa1#
- 2.Qb2#
- 1...Ra4
- 2.Bd2#
- 2.Qd2#
- 1...Rb5
- 2.Bd2#
- 2.Qd2#
- 1...Rb6
- 2.Bd2#
- 2.Qd2#
- 1...Rb7
- 2.Bd2#
- 2.Qd2#
- 1...Rb8
- 2.Bd2#
- 2.Qd2#
- 1...Rxc4+!
- threat
- 1.Qc5?
- threat
- 2.Qd4#
- 1...Rxc4+
- 2.Qxc4#
- 1...Rxb3
- 2.cxd5#
- 1...Sxe3
- 2.Qe5#
- 1...Rb5
- 2.cxb5#
- 1...Rb6
- 2.cxd5#
- 1...Rb7
- 2.cxd5#
- 1...Rb8
- 2.cxd5#
- 1...Ra4!
- threat
- 1.e4?
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Se3
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sb6
- 2.Qe5#
- 1...Sf6
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Kd4!
- 1...a1Q
- 1.Kg3?
- Keys
- 1.Qa3!
- threat
- 2.Qb2#
- 1...Rxc4+
- 2.bxc4#
- 1...Rxb3
- 2.Qxb3#
- 1...a1Q
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...Ra4
- 2.bxa4#
- 1...Rb5
- 2.b4#
- 1...Rb6
- 2.b4#
- 1...Rb7
- 2.b4#
- 1...Rb8
- 2.b4#
- threat
- 1.Qa3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 8
- Sets
- S(d);OGATE,XP(F)::QAB(I)
- S(d);N_PINP(G),OGATE::QAB(I)
- S(d);OGATE::QAB(I)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XS(a)
- P(a);OGATE::QAB(I),XB(a)
- P(a);OGATE::QAB(I),XR(a)
- Tries
- Try
- K(H);N_SPINP(G),S_FLIGHT
- Vars
- S(d);OGATE,XP(F)::QAB(I)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XS(a)
- P(a);OGATE::QAB(I),XB(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);OGATE::QAB(I)
- Refutation
- P(e);CHECK
- Try
- K(H);N_SPINP(G),S_FLIGHT
- Vars
- S(d);OGATE,XP(F)::QAB(I)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XS(a)
- P(a);OGATE::QAB(I),XB(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);OGATE::QAB(I)
- Refutation
- P(e);
- Try
- Q(I);N_PINR(c),XP(a)
- Threat
- DUALS(5)
- Refutation
- R(c);CHECK,XP(G)
- Try
- Q(I);N_PINR(c)
- Threat
- QAB1(I)
- Vars
- R(c);CHECK,OGATE,P_SPINR(c),XP(G)::QAR1(I),XR(c)
- R(c);N_PINP(G),XP(D)::QAR(I)+P(G),XS(d)
- S(d);OGATE,XP(F)::QAB(I)
- R(c);N_PINP(G)::QAR(I)+P(G),XR(c)
- R(c);N_PINP(G)::QAR(I)+P(G),XS(d)
- Refutation
- R(c);
- Try
- P(F);N_SPINP(G)
- Vars
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XS(a)
- P(a);OGATE::QAB(I),XB(a)
- P(a);OGATE::QAB(I),XR(a)
- S(d);OGATE::QAB(I)
- Refutation
- K(b);N_SPINR(c),S_FLIGHT
- Try
- Actual
- Q(I);N_PINR(c)
- Threat
- QAB1(I)
- Vars
- R(c);CHECK,OGATE,XP(G)::QAR(I)+P(D),XR(c)
- R(c);N_PINP(G),OGATE,P_SPINR(c),XP(D)::QAR1(I),XR(c)
- P(a);OGATE::QAB(I),XQ(a)
- P(a);OGATE::QAB(I),XB(a)
- R(c);OGATE::QAR(I)+P(D),XR(c)
- R(c);N_PINP(G),OGATE::QAR(I)+P(D)
Developed and maintained by Brian Stephenson.
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