MESON Chess Problem Database

Problem Display
PID: 224397 (6B1/1N1p3R/3pb3/1K1Rb3/4kp1P/2P2p1Q/3P4/8 w - - 0 1)

Spitz, William

The Sunny South, 1887

6B1/1N1p3R/3pb3/1K1Rb3/4kp1P/2P2p1Q/3P4/8

#2

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Qxf3#
    • 1...f2
      • 2.Qd3#
  • Tries
    • 1.Sc5+?
      • 1...Kxd5
        • 2.Qxf3#
      • 1...dxc5!
    • 1.Bxe6?
      • threat
        • 2.Qf5#
      • 1...f2
        • 2.Qd3#
        • 2.d3#
      • 1...dxe6!
    • 1.d3+?
      • 1...Kxd5
        • 2.Qxf3#
      • 1...Ke3!
  • Keys
    • 1.Re7!
      • 1...Kxd5
        • 2.Qxf3#
      • 1...Bxc3
        • 2.Qf5#
      • 1...Bxh3
        • 2.Sxd6#
      • 1...Bxd5
        • 2.Bh7#
      • 1...Bxg8
        • 2.Rd4#
      • 1...Bd4
        • 2.Qf5#
      • 1...Bf6
        • 2.Qf5#
      • 1...Bg7
        • 2.Qf5#
      • 1...Bh8
        • 2.Qf5#
      • 1...Bg4
        • 2.Sxd6#
      • 1...Bf5
        • 2.Sxd6#
        • 2.Rd4#
      • 1...Bf7
        • 2.Rd4#
      • 1...f2
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINB(f),S_FLIGHT,XR(F)::QAB(C),XP(a)
    • P(a);OGATE::QAB1(C)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(b);P_SPINB(f),S_FLIGHT,XR(F)::QAB(C),XP(a)
      • Refutation
        • P(e);XS(G)
    • Try
      • B(I);XB(f)
      • Threat
        • QAB1(C)
      • Refutation
        • P(g);XB(I)
    • Try
      • P(A);CHECK
      • Vars
        • K(b);P_SPINB(f),S_FLIGHT,XR(F)::QAB(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
  • Actual
    • R(H);
    • Vars
      • K(b);P_SPINB(f),S_FLIGHT,XR(F)::QAB(C),XP(a)
      • B(d);P_SPINB(f),XP(B)::QAB1(C)
      • B(f);P_SPINB(d),XQ(C)::S(G),XP(e)
      • B(f);N_GUARD,P_SPINB(d),SBLOCK,XR(F)::B(I)
      • B(f);P_SPINB(d),XB(I)::R1(F)
      • B(d);P_SPINB(f)::QAB1(C)
      • B(f);P_SPINB(d)::S(G),XP(e)
      • B(f);P_SPINB(d)::R1(F)
      • P(a);OGATE::QAB1(C)
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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).