MESON Chess Problem Database

Problem Display
PID: 214934 (7B/4p1q1/4p3/2P1N3/1P1kp3/2p1N3/5R2/3K3Q w - - 0 1)

Creus, Valentin

SEPA, 1942

7B/4p1q1/4p3/2P1N3/1P1kp3/2p1N3/5R2/3K3Q

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Bxg7#
  • Tries
    • 1.Sc2+?
      • 1...Kxe5
        • 2.Qh5#
      • 1...Kd5!
  • Keys
    • 1.Ke2!
      • threat
        • 2.Sc6#
      • 1...Qg4+
        • 2.Sf3#
      • 1...Kxe5
        • 2.Bxg7#
      • 1...Qxe5
        • 2.Qd1#
      • 1...c2
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,P_SPINQ(f),S_FLIGHT,XS(G)::B(H),XQ(f)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P_SPINQ(f),S_FLIGHT,XS(G)::QAR(B)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • S(G)
    • Vars
      • Q(f);CHECK::B(H)+S(G),DCHECK
      • K(b);OGATEB,P_SPINQ(f),S_FLIGHT,XS(G)::B(H),XQ(f)
      • Q(f);P_SPINQ(f),XS(G)::QAR(B)
      • P(a);OGATEB::QAB(B)
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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).