MESON Chess Problem Database
Problem Display
PID: 249641 (2b5/QN1p1n2/R2ppB2/RKpkP3/PP1p4/3P4/8/8 w - - 0 1)
Rice, John Michael
Stella Polaris, 1969
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 1...c4
- 2.Kb6#
- 1...dxe5
- 2.Qxc5#
- 1...Bxb7
- Tries
- 1.Sxd6?
- threat
- 2.Qxc5#
- 1...Sxd6+
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 2.Qc5#
- 1...c4
- 2.Kb6#
- 2.Qc5#
- 2.dxc4#
- 1...Bxa6+!
- threat
- 1.Bh8?
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 1...dxe5
- 2.Qxc5#
- 1...Sg5
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...c4
- 2.Kb6#
- 1...Sxh8!
- 1...Bxb7
- 1.Rb6?
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Ka6#
- 1...Sg5
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...c4
- 2.Ka6#
- 1...dxe5!
- 1...Bxb7
- 1.Qb6?
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Qxd6#
- 1...cxb4
- 2.Kxb4#
- 1...dxe5
- 2.Qxc5#
- 1...Sg5
- 2.Qxd6#
- 1...Sh6
- 2.Qxd6#
- 1...Sd8
- 2.Qxd6#
- 1...Sh8
- 2.Qxd6#
- 1...c4!
- 1...Bxb7
- 1.Qb8?
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 2.Qxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 1...Sg5
- 2.Rxd6#
- 2.Qxd6#
- 1...Sh6
- 2.Rxd6#
- 2.Qxd6#
- 1...Sd8
- 2.Rxd6#
- 2.Qxd6#
- 1...Sh8
- 2.Rxd6#
- 2.Qxd6#
- 1...c4
- 2.Kb6#
- 1...dxe5!
- 1...Bxb7
- 1.Qa8?
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 1...Sg5
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...c4
- 2.Kb6#
- 1...dxe5!
- 1...Bxb7
- 1.bxc5?
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 1...dxc5
- 2.Qxc5#
- 1...Sg5
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...dxe5!
- 1...Bxb7
- 1.exd6?
- threat
- 2.Qxc5#
- 1...Sxd6+
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 2.Qxd4#
- 2.Qc5#
- 1...c4
- 2.Kb6#
- 2.Qxd4#
- 2.Qc5#
- 1...e5!
- threat
- 1.Sxd6?
- Keys
- 1.Bg7!
- 1...Bxb7
- 2.Qxb7#
- 1...Sxe5
- 2.Rxd6#
- 1...cxb4
- 2.Kxb4#
- 2.Kb6#
- 1...dxe5
- 2.Qxc5#
- 1...Sg5
- 2.Rxd6#
- 1...Sh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...c4
- 2.Kb6#
- 1...Bxb7
- 1.Bg7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::R1(G),XP(d)
- S(g);N_GUARD::R1(G),XP(d)
- P(b);::R(D)+K(E)
- P(d);N_GUARD,XP(F)::QAR1(I),XP(b)
- Tries
- Try
- S(J);XP(d)
- Threat
- QAR1(I),XP(b)
- Vars
- S(g);CHECK,OGATE,XS(J)::R1(G),XS(g)
- Refutation
- B(h);CHECK,XR(G)
- Try
- B(H);
- Vars
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::R1(G),XP(d)
- P(d);N_GUARD,XP(F)::QAR1(I),XP(b)
- S(g);N_GUARD::R1(G),XP(d)
- P(b);::R(D)+K(E)
- Refutation
- S(g);XB(H)
- Try
- R(G);
- Vars
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::R1(G),XP(d)
- S(g);N_GUARD::R1(G),XP(d)
- P(b);::R(D)+K(E)
- Refutation
- P(d);XP(F)
- Try
- Q(I);
- Vars
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::QAR1(I),XP(d)
- P(b);XP(C)::R(D)+K(E),XP(b)
- P(d);N_GUARD,XP(F)::QAR1(I),XP(b)
- S(g);N_GUARD::QAR1(I),XP(d)
- Refutation
- P(b);
- Try
- Q(I);
- Vars
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- P(b);::R(D)+K(E)
- Refutation
- P(d);XP(F)
- Try
- Q(I);
- Vars
- B(h);OGATE,P_SPINB(h),XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::R1(G),XP(d)
- S(g);N_GUARD::R1(G),XP(d)
- P(b);::R(D)+K(E)
- Refutation
- P(d);XP(F)
- Try
- P(C);XP(b)
- Vars
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::R1(G),XP(d)
- P(d);OGATE,XP(C)::QAR1(I),XP(d)
- S(g);N_GUARD::R1(G),XP(d)
- Refutation
- P(d);XP(F)
- Try
- P(F);XP(d)
- Threat
- QAR1(I),XP(b)
- Vars
- S(g);CHECK,OGATE,XP(F)::R1(G),XS(g)
- Refutation
- P(e);
- Try
- Actual
- B(H);
- Vars
- B(h);OGATE,XS(J)::QAB(I),XB(h)
- S(g);N_GUARD,XP(F)::R1(G),XP(d)
- P(d);N_GUARD,XP(F)::QAR1(I),XP(b)
- S(g);N_GUARD::R1(G),XP(d)
- P(b);::R(D)+K(E)
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).