MESON Chess Problem Database

Problem Display
PID: 87552 (8/8/8/2Q5/8/1p2K3/prB5/2k5 w - - 0 1)

Iwanow, Eugeniusz

Comm., Polish Championship, 1996

8/8/8/2Q5/8/1p2K3/prB5/2k5

#2

3 + 4

16307 Rozmaitosci Szachowe 1996
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bxb3+?
      • 1...Rc2
        • 2.Qxc2#
      • 1...Kb1!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qd2#
      • 1...Rxc2
        • 2.Qa1#
      • 1...bxc2
        • 2.Qe1#
      • 1...Rb1
        • 2.Bxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK,XP(d)
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(C),XR(c)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • R(c);OGATE,P_SPINR(c),SBLOCK,XB(A)::QAR2(C)
      • P(d);P_SPINP(d),SBLOCK,XB(A)::QAR2(C)
      • R(c);N_GUARD,SBLOCK::QAR(C)+B(A),XP(d)
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).