MESON Chess Problem Database
Problem Display
PID: 144884 (1RbBB3/1pnR4/p2n4/Pk1p3Q/1P6/7K/1NN5/8 w - - 0 1)
Rice, John Michael
Chess, 1955
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Sd4#
- 1...Bxd7+
- 2.Bxd7#
- 1...Sf5
- 2.Rxd5#
- 1...Se6
- 2.Rdxb7#
- 1...Sa8
- 2.Qxd5#
- 1...Sxe8
- 2.Qxd5#
- 1...b6
- 2.Rxb6#
- 1...Kc6
- Tries
- 1.Kg2?
- 1...Kc6
- 2.Sd4#
- 2.Rxc7#
- 1...Bxd7
- 2.Bxd7#
- 1...Scxe8
- 2.Qxd5#
- 1...Sc4
- 2.Rxd5#
- 1...Se4
- 2.Rxd5#
- 1...Sf5
- 2.Rxd5#
- 1...Sf7
- 2.Rxd5#
- 1...Se6
- 2.Rdxb7#
- 1...Sa8
- 2.Rdxb7#
- 2.Qxd5#
- 1...b6
- 2.Rxb6#
- 1...Sdxe8!
- 1...Kc6
- 1.Kh2?
- 1...Kc6
- 2.Sd4#
- 2.Rxc7#
- 1...Bxd7
- 2.Bxd7#
- 1...Scxe8
- 2.Qxd5#
- 1...Sc4
- 2.Rxd5#
- 1...Se4
- 2.Rxd5#
- 1...Sf5
- 2.Rxd5#
- 1...Sf7
- 2.Rxd5#
- 1...Se6
- 2.Rdxb7#
- 1...Sa8
- 2.Rdxb7#
- 2.Qxd5#
- 1...b6
- 2.Rxb6#
- 1...Sdxe8!
- 1...Kc6
- 1.Bxc7?
- threat
- 2.Qxd5#
- 1...Bxd7+
- 2.Bxd7#
- 1...Kc6
- 2.Sd4#
- 1...Sf5
- 2.Rxd5#
- 1...Se4!
- threat
- 1.Qe2+?
- 1...Kc6
- 2.Sd4#
- 1...Sc4!
- 1...Kc6
- 1.Qf5?
- 1...Kc6
- 2.Sd4#
- 2.Rxc7#
- 1...Bxd7
- 2.Bxd7#
- 2.Qxd7#
- 1...Sxf5
- 2.Rxd5#
- 1...Scxe8
- 2.Qxd5#
- 1...Sc4
- 2.Rxd5#
- 1...Se4
- 2.Rxd5#
- 1...Sf7
- 2.Rxd5#
- 1...Se6
- 2.Rdxb7#
- 1...Sa8
- 2.Rdxb7#
- 2.Qxd5#
- 1...b6
- 2.Rxb6#
- 1...Sdxe8!
- 1...Kc6
- 1.Kg2?
- Keys
- 1.Be7!
- 1...Bxd7+
- 2.Bxd7#
- 1...Kc6
- 2.Sd4#
- 1...Sdxe8
- 2.Sd4#
- 1...Scxe8
- 2.Qxd5#
- 1...Sc4
- 2.Sd4#
- 1...Se4
- 2.Sd4#
- 1...Sf5
- 2.Rxd5#
- 1...Sf7
- 2.Sd4#
- 1...Se6
- 2.Rdxb7#
- 1...Sa8
- 2.Qxd5#
- 1...b6
- 2.Rxb6#
- 1...Bxd7+
- 1.Be7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(a);N_SPINP(b),S_FLIGHT::S(B)
- B(g);CHECK,OGATE,P_SPINB(g),XR(G)::B(J),XB(g)
- S(d);N_PINR(G),N_SPINP(b),P_SPINP(e)::B(J)+R(G),DCHECK,XP(b)
- S(f);N_PINR(G)::B(J)+R(G),DCHECK,XP(e)
- S(f);N_GUARD::QAR2(F),XP(b)
- S(f);N_GUARD,XB(J)::QAR2(F),XP(b)
- P(e);OGATE::R1(H),XP(e)
- Tries
- Try
- K(C);N_SPINR(G),S_FLIGHT
- Vars
- B(g);OGATE,P_SPINB(g),XR(G)::B(J),XB(g)
- S(f);N_GUARD,XB(J)::QAR2(F),XP(b)
- S(d);OGATE::B(J)+R(G),DCHECK,XP(b)
- S(d);N_SPINP(b),OGATE,P_SPINP(e)::B(J)+R(G),DCHECK,XP(b)
- S(f);OGATE::B(J)+R(G),DCHECK,XP(e)
- P(e);OGATE::R1(H),XP(e)
- Refutation
- S(d);XB(J)
- Try
- K(C);N_SPINR(G),P-FLIGHT
- Vars
- B(g);OGATE,P_SPINB(g),XR(G)::B(J),XB(g)
- S(f);N_GUARD,XB(J)::QAR2(F),XP(b)
- S(d);OGATE::B(J)+R(G),DCHECK,XP(b)
- S(d);N_SPINP(b),OGATE,P_SPINP(e)::B(J)+R(G),DCHECK,XP(b)
- S(f);OGATE::B(J)+R(G),DCHECK,XP(e)
- P(e);OGATE::R1(H),XP(e)
- Refutation
- S(d);XB(J)
- Try
- B(I);XS(f)
- Threat
- QAR2(F),XP(b)
- Vars
- B(g);CHECK,OGATE,P_SPINB(g),XR(G)::B(J),XB(g)
- K(a);N_SPINP(b),S_FLIGHT::S(B)
- S(d);N_PINR(G),N_SPINP(b),P_SPINP(e)::B(J)+R(G),DCHECK,XP(b)
- Refutation
- S(d);
- Try
- Q(F);CHECK,N_PINP(b),P_PINP(e)
- Vars
- K(a);N_SPINP(e),S_FLIGHT::S(B)
- Refutation
- S(d);P_SPINS(d)
- Try
- Q(F);N_SPINR(G)
- Vars
- S(d);N_SPINP(b),OGATE,P_SPINP(e),XQ(F)::B(J)+R(G),DCHECK,XP(b)
- S(f);N_GUARD,XB(J)::QAR2(F),XP(b)
- S(d);OGATE::B(J)+R(G),DCHECK,XP(b)
- S(f);OGATE::B(J)+R(G),DCHECK,XP(e)
- P(e);OGATE::R1(H),XP(e)
- Refutation
- S(d);XB(J)
- Try
- Actual
- B(I);
- Vars
- B(g);CHECK,OGATE,P_SPINB(g),XR(G)::B(J),XB(g)
- K(a);N_SPINP(b),S_FLIGHT::S(B)
- S(d);XB(J)::S(B)
- S(f);N_GUARD,XB(J)::QAR2(F),XP(b)
- S(d);::S(B)
- S(d);N_PINR(G),N_SPINP(b),P_SPINP(e)::B(J)+R(G),DCHECK,XP(b)
- S(f);N_PINR(G)::B(J)+R(G),DCHECK,XP(e)
- S(f);N_GUARD::QAR2(F),XP(b)
- P(e);OGATE::R1(H),XP(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).