MESON Chess Problem Database

Problem Display
PID: 187789 (3n4/7Q/N1r1k1Pp/2P3bR/BN1P2P1/3Kp3/4P3/8 w - - 0 1)

Campos, J

The Times, 1909

3n4/7Q/N1r1k1Pp/2P3bR/BN1P2P1/3Kp3/4P3/8

#2

11 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Bb3#
      • 2.d5#
    • 1...Sb7
      • 2.Qf7#
    • 1...Sf7
      • 2.Qxf7#
  • Tries
    • 1.Sc7+?
      • 1...Kf6
        • 2.Sbd5#
      • 1...Rxc7!
  • Keys
    • 1.Sd5!
      • 1...Kxd5
        • 2.Bb3#
      • 1...Rxc5
        • 2.Qd7#
      • 1...Rxa6
        • 2.Qd7#
      • 1...Sf7
        • 2.Qxf7#
      • 1...Rb6
        • 2.Sac7#
        • 2.Qd7#
      • 1...Rd6
        • 2.Sac7#
      • 1...Rc7
        • 2.Saxc7#
      • 1...Rc8
        • 2.Qd7#
      • 1...Bf4
        • 2.Qe7#
      • 1...Bh4
        • 2.Re5#
      • 1...Bf6
        • 2.Sf4#
      • 1...Be7
        • 2.Qxe7#
      • 1...Sb7
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::QAB1(K)
    • S(f);N_GUARD::QAB1(K),XS(f)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(d);P-FLIGHT::S(D)
      • Refutation
        • R(c);XS(I)
  • Actual
    • S(D);
    • Vars
      • K(d);OGATEB,P_SPINB(b),S_FLIGHT,XS(D)::B(C)
      • R(c);XP(G)::QAB1(K)
      • R(c);XS(I)::QAB1(K)
      • S(f);N_GUARD::QAB1(K),XS(f)
      • R(c);N_GUARD::S(I)
      • R(c);N_GUARD::S(I),XR(c)
      • R(c);::QAB1(K)
      • B(b);N_GUARD::QAR1(K)
      • B(b);OGATE::R1(H)
      • B(b);N_GUARD,SBLOCK::S(D)
      • B(b);N_GUARD::QAR1(K),XB(b)
      • S(f);N_GUARD::QAB1(K)
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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).