MESON Chess Problem Database
Problem Display
PID: 78441 (8/4p2b/8/n5K1/2P1B2n/1PpQ1Np1/1p1NPp2/1Rbkr2R w - - 0 1)
Marble, Murray
Good Companions, 1914
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Rxf1#
- 1...cxd2
- 2.Qxd2#
- 1...Rf1
- Tries
- 1.Kg4?
- threat
- 2.Sf1#
- 1...Bxe4
- 2.Sxe4#
- 1...Sxf3
- 2.Sxf3#
- 1...Sxb3
- 2.Sxb3#
- 1...Sxc4
- 2.Sxc4#
- 1...cxd2
- 2.Qxd2#
- 1...f1Q
- 2.Sxf1#
- 1...f1S
- 2.Sxf1#
- 1...f1B
- 2.Sxf1#
- 1...f1R
- 2.Sxf1#
- 1...Rf1
- 2.Sxf1#
- 2.Rxf1#
- 1...Bf5+!
- threat
- 1.Kxh4?
- threat
- 2.Sf1#
- 1...Bxe4
- 2.Sxe4#
- 1...Sxb3
- 2.Sxb3#
- 1...Sxc4
- 2.Sxc4#
- 1...cxd2
- 2.Qxd2#
- 1...f1Q
- 2.Sxf1#
- 1...f1S
- 2.Sxf1#
- 1...f1B
- 2.Sxf1#
- 1...f1R
- 2.Sxf1#
- 1...Rf1
- 2.Sxf1#
- 2.Rxf1#
- 1...Rxh1+!
- threat
- 1.Kh5?
- threat
- 2.Sf1#
- 1...Bxe4
- 2.Sxe4#
- 1...Sxf3
- 2.Sxf3#
- 1...Sxb3
- 2.Sxb3#
- 1...Sxc4
- 2.Sxc4#
- 1...cxd2
- 2.Qxd2#
- 1...f1Q
- 2.Sxf1#
- 1...f1S
- 2.Sxf1#
- 1...f1B
- 2.Sxf1#
- 1...f1R
- 2.Sxf1#
- 1...Rf1
- 2.Sxf1#
- 2.Rxf1#
- 1...Bg6+!
- threat
- 1.Kg4?
- Keys
- 1.e3!
- threat
- 2.Sf1#
- 1...Sxf3+
- 2.Sxf3#
- 2.Bxf3#
- 1...Bxe4
- 2.Sxe4#
- 1...Sxb3
- 2.Sxb3#
- 1...Sxc4
- 2.Sxc4#
- 1...cxd2
- 2.Qxd2#
- 1...f1Q
- 2.Sxf1#
- 1...f1S
- 2.Sxf1#
- 1...f1B
- 2.Sxf1#
- 1...f1R
- 2.Sxf1#
- 1...Rf1
- 2.Sxf1#
- 2.Rxf1#
- 2.Qxf1#
- threat
- 1.e3!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- R(c);OGATEB::R(B),XR(c)
- P(f);OGATE,P_SPINP(f),XS(C)::QAR1(F),XP(f)
- Tries
- Try
- K(J);N_SPINS(C),P-FLIGHT
- Threat
- QAR(F)+S(C)
- Vars
- B(k);XB(I)::QAR(F)+S(C),XB(k)
- S(h);XS(G)::QAR(F)+S(C),XS(h)
- S(i);XP(E)::QAR(F)+S(C),XS(i)
- S(i);XP(H)::QAR(F)+S(C),XS(i)
- P(f);OGATE,P_SPINP(f),XS(C)::QAR1(F),XP(f)
- P(e);N_SPINR(c)::QAR(F)+S(C),XQ(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XS(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XB(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XR(e)
- Refutation
- B(k);CHECK
- Try
- K(J);N_SPINS(C),S_FLIGHT,XS(h)
- Threat
- QAR(F)+S(C)
- Vars
- B(k);XB(I)::QAR(F)+S(C),XB(k)
- S(i);XP(E)::QAR(F)+S(C),XS(i)
- S(i);XP(H)::QAR(F)+S(C),XS(i)
- P(f);OGATE,P_SPINP(f),XS(C)::QAR1(F),XP(f)
- P(e);N_SPINR(c)::QAR(F)+S(C),XQ(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XS(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XB(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XR(e)
- Refutation
- R(c);CHECK,N_SPINR(c),XR(B)
- Try
- K(J);N_SPINS(C),P-FLIGHT
- Threat
- QAR(F)+S(C)
- Vars
- B(k);XB(I)::QAR(F)+S(C),XB(k)
- S(h);XS(G)::QAR(F)+S(C),XS(h)
- S(i);XP(E)::QAR(F)+S(C),XS(i)
- S(i);XP(H)::QAR(F)+S(C),XS(i)
- P(f);OGATE,P_SPINP(f),XS(C)::QAR1(F),XP(f)
- P(e);N_SPINR(c)::QAR(F)+S(C),XQ(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XS(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XB(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XR(e)
- Refutation
- B(k);CHECK
- Try
- Actual
- P(D);N_SPINS(C)
- Threat
- QAR(F)+S(C)
- Vars
- B(k);XB(I)::QAR(F)+S(C),XB(k)
- S(i);XP(E)::QAR(F)+S(C),XS(i)
- S(i);XP(H)::QAR(F)+S(C),XS(i)
- P(f);OGATE,P_SPINP(f),XS(C)::QAR1(F),XP(f)
- P(e);N_SPINR(c)::QAR(F)+S(C),XQ(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XS(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XB(e)
- P(e);N_SPINR(c)::QAR(F)+S(C),XR(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).