MESON Chess Problem Database
Problem Display
PID: 16037 (3NR1K1/3p1P2/1P1kbR2/n2Pb3/1P4p1/4N1B1/8/8 w - - 0 1)
Christiaans, Frank
Probleemblad, 2000
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bf4
- Tries
- 1.Kg7?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.Sb7#
- 2.f8Q#
- 2.f8B#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 2.f8Q#
- 2.f8B#
- 1...Bxg3!
- threat
- 1.Kh7?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.Sb7#
- 2.f8Q#
- 2.f8B#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 2.f8Q#
- 2.f8B#
- 1...Bxg3!
- threat
- 1.Kf8?
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bxg3!
- 1...Bf4
- 1.Kh8?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.Sb7#
- 2.f8Q#
- 2.f8B#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 2.f8Q#
- 2.f8B#
- 1...Bxg3!
- threat
- 1.Sxe6?
- threat
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.f8Q#
- 2.f8B#
- 1...Bxg3
- 2.Sd4#
- 2.Sf4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Bf4
- 2.Sd4#
- 2.Sxf4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Bxf4#
- 1...Sb3
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.f8Q#
- 2.f8B#
- 1...Sc4
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.f8Q#
- 2.f8B#
- 1...Sc6
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Sb7
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.f8Q#
- 2.f8B#
- 1...dxe6!
- threat
- 1.Rf1?
- 1...Bxf7+
- 2.Sxf7#
- 1...Bxd5
- 2.Sf5#
- 2.Bxe5#
- 1...Bf4
- 2.Bxf4#
- 1...Bf5
- 2.Bxe5#
- 2.f8Q#
- 2.f8B#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bxg3!
- 1...Bxf7+
- 1.Rf2?
- 1...Bxf7+
- 2.Sxf7#
- 1...Bxd5
- 2.Sf5#
- 2.Bxe5#
- 1...Bf4
- 2.Bxf4#
- 1...Bf5
- 2.Bxe5#
- 2.f8Q#
- 2.f8B#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bxg3!
- 1...Bxf7+
- 1.Rf5?
- threat
- 2.Bxe5#
- 1...Bxf7+
- 2.Sxf7#
- 1...Bf4
- 2.Bxf4#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Bxg3!
- threat
- 1.Rg6?
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bxg3!
- 1...Bf4
- 1.Rh6?
- 1...Bf4
- 2.Bxf4#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bxg3!
- 1...Bf4
- 1.Kg7?
- Keys
- 1.Rf4!
- 1...Bxf7+
- 2.Sxf7#
- 1...Bxf4
- 2.Bxf4#
- 1...Bxd5
- 2.Sf5#
- 1...Ba1
- 2.Rd4#
- 1...Bb2
- 2.Rd4#
- 1...Bc3
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Bf6
- 2.Rxf6#
- 1...Bg7
- 2.Rf6#
- 1...Bh8
- 2.Rf6#
- 1...Bf5
- 2.f8Q#
- 2.f8B#
- 1...Sb3
- 2.Sb7#
- 1...Sc4
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sb7
- 2.Sxb7#
- 1...Bxf7+
- 1.Rf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Tries
- Try
- K(J);N_SPINP(G),P-FLIGHT,P_SPINR(F)
- Threat
- P=Q
- Vars
- B(c);N_PINR(F),OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- Refutation
- B(c);N_PINR(F),N_SPINB(c),P_SPINB(e),XB(B)
- Try
- K(J);N_SPINP(G),S_FLIGHT
- Threat
- P=Q
- Vars
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- Refutation
- B(c);N_SPINB(c),P_SPINB(e),XB(B)
- Try
- K(J);N_SPINP(G),P-FLIGHT
- Vars
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- B(c);N_SPINB(c),P_SPINB(e),XB(B)
- Try
- K(J);N_SPINP(G),P-FLIGHT,P_SPINR(F)
- Threat
- P=Q
- Vars
- B(c);N_PINR(F),OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- Refutation
- B(c);N_PINR(F),N_SPINB(c),P_SPINB(e),XB(B)
- Try
- S(H);N_SPINP(G),XB(e)
- Threat
- DUALS(9)
- Refutation
- P(f);P_SPINP(f),XS(H)
- Try
- R(F);
- Vars
- B(e);CHECK,XP(G)::S(H),XB(e)
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- B(c);N_SPINB(c),XB(B)
- Try
- R(F);
- Vars
- B(e);CHECK,XP(G)::S(H),XB(e)
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- B(c);N_SPINB(c),XB(B)
- Try
- R(F);
- Threat
- B(B),XB(c)
- Vars
- B(e);CHECK,XP(G)::S(H),XB(e)
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- Refutation
- B(c);N_SPINB(c),XB(B)
- Try
- R(F);
- Vars
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- B(c);N_SPINB(c),P_SPINB(e),XB(B)
- Try
- R(F);
- Vars
- B(c);OGATEB::B(B),XB(c)
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- B(c);N_SPINB(c),P_SPINB(e),XB(B)
- Try
- Actual
- R(F);N_PINB(c)
- Vars
- B(e);CHECK,XP(G)::S(H),XB(e)
- B(c);OGATE,P_SPINB(c),XR(F)::B(B),XB(c)
- B(e);N_GUARD,SBLOCK,XP(D)::S(A)
- B(c);OGATEB::B(B)+R(F)
- B(c);OGATEB::B(B)+R(F),XB(c)
- B(e);N_PINP(G)::P=Q
- S(b);N_GUARD::S(H)
- S(b);N_GUARD::S(H),XS(b)
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).