MESON Chess Problem Database

Problem Display
PID: 109978 (7r/2RP3p/6p1/1PPk2P1/P3pPQ1/Kp2P1N1/2b5/2R1NB2 w - - 0 1)

Groeneveld, Cornelis

Sachove umeni (Ceskoslovensky sach), 1986

7r/2RP3p/6p1/1PPk2P1/P3pPQ1/Kp2P1N1/2b5/2R1NB2

#2

14 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Bc4#
    • 1...Bd1
      • 2.Bc4#
      • 2.Rxd1#
  • Tries
    • 1.Se2?
      • threat
        • 2.Sc3#
      • 1...Kc4
        • 2.Qe6#
      • 1...Bd3!
    • 1.Sf5?
      • threat
        • 2.Se7#
      • 1...Ke6
        • 2.Bc4#
      • 1...gxf5
        • 2.Qxf5#
      • 1...Re8!
    • 1.Sh5?
      • threat
        • 2.Sf6#
      • 1...gxh5
        • 2.Qf5#
      • 1...Rf8!
    • 1.d8S?
      • threat
        • 2.Qe6#
        • 2.Qd7#
      • 1...Re8
        • 2.Qd7#
      • 1...Rxd8!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sc3#
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Bxe4
        • 2.Bc4#
      • 1...Rf8
        • 2.Sc3#
      • 1...Bd3
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(a);::B(C)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(d);P_SPINB(a),S_FLIGHT::QAB(I)
      • Refutation
        • B(a);
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(d);S_FLIGHT::B(C)
        • P(e);OGATE,XS(F)::QAR2(I),XP(e)
      • Refutation
        • R(g);
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • P(e);N_GUARD,XS(F)::QAR2(I)
      • Refutation
        • R(g);
    • Try
      • P(N);
      • Threat
        • DUALS(2)
      • Vars
        • R(g);::QAR2(I)
      • Refutation
        • R(g);XS(N)
  • Actual
    • S(F);XP(c)
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT,XS(F)::QAR2(I)
      • B(a);SBLOCK,XS(F)::B(C)
      • R(g);::S(F)
      • B(a);::S(F)
HTML5 logo

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).