MESON Chess Problem Database
Problem Display
PID: 60393 (1R1R1B2/2p3pb/P1k3B1/rN3K2/P7/5n2/1pN3Qn/1q6 w - - 0 1)
Rice, John Michael
BCSC Starter, 2005-2006
#2
10 + 9
| 56 | The Problemist | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Sb4#
- 2.Sd4#
- 1...Qxc2+
- 2.Qxc2#
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 1...Qc1
- 2.Sb4#
- 2.Sd4#
- 1...Qd1
- 2.Sb4#
- 1...Qe1
- 2.Sd4#
- 1...Qf1
- 2.Sb4#
- 2.Sd4#
- 1...Qg1
- 2.Sb4#
- 1...Qh1
- 2.Sb4#
- 2.Sd4#
- 1...Rxa4
- 2.Sa7#
- 1...Rxb5+
- 2.axb5#
- 1...Rxa6
- 2.Sd4#
- 1...Bxg6+
- 2.Qxg6#
- 1...Bg8
- 2.Be8#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Qa2
- Tries
- 1.Bxh7?
- threat
- 2.Qg6#
- 1...Qxc2+
- 2.Qxc2#
- 1...Rxb5+
- 2.axb5#
- 1...g6+
- 2.Qxg6#
- 1...Qa2
- 2.Sb4#
- 2.Sd4#
- 1...Qd1
- 2.Sb4#
- 1...Qe1
- 2.Sd4#
- 1...Qg1
- 2.Sb4#
- 1...Sg4
- 2.Qxf3#
- 1...g5!
- threat
- 1.Rb7?
- 1...Qxc2+
- 2.Qxc2#
- 1...Rxb5+
- 2.axb5#
- 1...Bxg6+
- 2.Qxg6#
- 1...Rxa4
- 2.Sa7#
- 1...Qd1
- 2.Sb4#
- 1...Qa2
- 2.Sb4#
- 2.Sd4#
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 1...Qc1
- 2.Sb4#
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Qf1
- 2.Sb4#
- 2.Sd4#
- 1...Qg1
- 2.Sb4#
- 1...Qh1
- 2.Sb4#
- 2.Sd4#
- 1...Bg8
- 2.Be8#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Rxa6!
- 1...Qxc2+
- 1.Rd3?
- threat
- 2.Sb4#
- 1...Rxb5+
- 2.axb5#
- 1...Bxg6+
- 2.Qxg6#
- 1...Qxc2
- 2.Qxc2#
- 1...Rxa4
- 2.Sa7#
- 1...Qe1!
- threat
- 1.a7?
- 1...Qxc2+
- 2.Qxc2#
- 1...Rxb5+
- 2.axb5#
- 1...Bxg6+
- 2.Qxg6#
- 1...Rxa7
- 2.Sd4#
- 2.Sxa7#
- 1...Qd1
- 2.Sb4#
- 1...Qa2
- 2.Sb4#
- 2.Sd4#
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 1...Qc1
- 2.Sb4#
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Qf1
- 2.Sb4#
- 2.Sd4#
- 1...Qg1
- 2.Sb4#
- 1...Qh1
- 2.Sb4#
- 2.Sd4#
- 1...Ra6
- 2.Sd4#
- 1...Bg8
- 2.Be8#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Rxa4!
- 1...Qxc2+
- 1.Bxh7?
- Keys
- 1.Be7!
- 1...Qxc2+
- 2.Qxc2#
- 1...Rxb5+
- 2.axb5#
- 1...Bxg6+
- 2.Qxg6#
- 1...Rxa4
- 2.Sa7#
- 1...Rxa6
- 2.Sd4#
- 1...Qd1
- 2.Sb4#
- 1...Qa2
- 2.Sb4#
- 2.Sd4#
- 1...Qa1
- 2.Sb4#
- 2.Sd4#
- 1...Qc1
- 2.Sb4#
- 2.Sd4#
- 1...Qe1
- 2.Sd4#
- 1...Qf1
- 2.Sb4#
- 2.Sd4#
- 1...Qg1
- 2.Sb4#
- 1...Qh1
- 2.Sb4#
- 2.Sd4#
- 1...Bg8
- 2.Be8#
- 1...Sf1
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Qxc2+
- 1.Be7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(a);CHECK,P_PINS(D),XS(A)::QAR(B),XQ(a)
- Q(a);N_PINS(A),P_PINS(D)::S(A)
- R(e);XP(C)::S(D)
- R(e);CHECK,OGATE,XS(D)::P(C),XR(e)
- R(e);XP(F)::S(D)
- B(i);CHECK,XB(G)::QAR(B),XB(i)
- B(i);N_PINB(G)::B(G)
- S(c);N_GUARD::QAB(B),XS(d)
- Tries
- Try
- B(G);N_SPINB(G),XB(i)
- Threat
- QAR(B)
- Vars
- Q(a);CHECK,OGATE,P_PINS(D),XS(A)::QAR(B),XQ(a)
- R(e);CHECK,OGATE,XS(D)::P(C),XR(e)
- P(h);CHECK::QAR(B),XP(h)
- Q(a);N_PINS(A),P_PINS(D)::S(A)
- S(c);N_GUARD::QAB(B),XS(d)
- Refutation
- P(h);
- Try
- R(H);
- Vars
- Q(a);CHECK,P_PINS(D),XS(A)::QAR(B),XQ(a)
- R(e);CHECK,OGATE,XS(D)::P(C),XR(e)
- B(i);CHECK,XB(G)::QAR(B),XB(i)
- R(e);XP(C)::S(D)
- Q(a);N_PINS(A),P_PINS(D)::S(A)
- B(i);N_PINB(G)::B(G)
- S(c);N_GUARD::QAB(B),XS(d)
- Refutation
- R(e);XP(F)
- Try
- R(I);N_SPINS(A),P_SPINS(D)
- Threat
- S(A)
- Vars
- R(e);CHECK,OGATE,XS(D)::P(C),XR(e)
- B(i);CHECK,XB(G)::QAR(B),XB(i)
- Q(a);P_PINR(I),XS(A)::QAR(B),XQ(a)
- R(e);N_PINS(D),XP(C)::S(D)
- Refutation
- Q(a);
- Try
- P(F);
- Vars
- Q(a);CHECK,P_PINS(D),XS(A)::QAR(B),XQ(a)
- R(e);CHECK,OGATE,XS(D)::P(C),XR(e)
- B(i);CHECK,XB(G)::QAR(B),XB(i)
- Q(a);N_PINS(A),P_PINS(D)::S(A)
- R(e);::S(D)
- B(i);N_PINB(G)::B(G)
- S(c);N_GUARD::QAB(B),XS(d)
- Refutation
- R(e);XP(C)
- Try
- Actual
- B(J);
- Vars
- Q(a);CHECK,P_PINS(D),XS(A)::QAR(B),XQ(a)
- R(e);CHECK,OGATE,XS(D)::P(C),XR(e)
- B(i);CHECK,XB(G)::QAR(B),XB(i)
- R(e);XP(C)::S(D)
- R(e);XP(F)::S(D)
- Q(a);N_PINS(A),P_PINS(D)::S(A)
- B(i);N_PINB(G)::B(G)
- S(c);N_GUARD::QAB(B),XS(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).