MESON Chess Problem Database

Problem Display
PID: 175812 (4R2Q/1b5n/3pP2K/B2PrB2/8/4k1P1/3R4/4b1N1 w - - 0 1)

Williams, Philip Hamilton

San Francisco Chronicle, 1898

4R2Q/1b5n/3pP2K/B2PrB2/8/4k1P1/3R4/4b1N1

#2

10 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qc3#
    • 1...Rxd5
      • 2.Re2#
    • 1...Rxf5
      • 2.Qd4#
    • 1...Rxe6+
      • 2.Rxe6#
    • 1...Bxd2
      • 2.Bb6#
    • 1...Bf2
      • 2.Rd3#
  • Keys
    • 1.Qg7!
      • 1...Rxe6+
        • 2.Rxe6#
      • 1...Rxd5
        • 2.Re2#
      • 1...Rxf5
        • 2.Qd4#
      • 1...Bxd2
        • 2.Bb6#
      • 1...Bxg3
        • 2.Qxg3#
      • 1...Bxd5
        • 2.Qa7#
      • 1...Re4
        • 2.Qc3#
      • 1...Bf2
        • 2.Rd3#
      • 1...Ba6
        • 2.Qa7#
      • 1...Bc6
        • 2.Qa7#
      • 1...Ba8
        • 2.Qa7#
      • 1...Bc8
        • 2.Qa7#
      • 1...Sg5
        • 2.Qxg5#
      • 1...Sf6
        • 2.Qg5#
      • 1...Sf8
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE::QAR2(J)
    • R(c);XP(E)::R1(B)
    • R(c);OGATE,XB(F)::QAB1(J)
    • R(c);CHECK,OGATE,P_SPINR(c),XP(G)::R(I),XR(c)
    • B(a);SBLOCK,XR(B)::B(D)
    • B(a);SBLOCK::R1(B)
  • Actual
    • Q(J);
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XP(G)::R(I),XR(c)
      • R(c);XP(E)::R1(B)
      • R(c);OGATE,XB(F)::QAB1(J)
      • B(a);SBLOCK,XR(B)::B(D)
      • B(a);OGATE,XP(C)::QAR2(J),XB(a)
      • B(e);OGATE,XP(E)::QAB(J)
      • R(c);OGATE::QAR2(J)
      • B(a);SBLOCK::R1(B)
      • B(e);OGATE::QAB(J)
      • S(f);N_GUARD::QAB(J),XS(f)
      • S(f);N_GUARD::QAB(J)
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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).