MESON Chess Problem Database

Problem Display
PID: 245080 (8/2p3P1/1p4Rp/2k3bR/1N2p3/KBB3q1/1P6/2Q4b w - - 0 1)

Fleck, Ferenc

Schackvarlden, 1932

8/2p3P1/1p4Rp/2k3bR/1N2p3/KBB3q1/1P6/2Q4b

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Sa6#
      • 2.Rc6#
  • Tries
    • 1.Ka4?
      • threat
        • 2.Sa6#
        • 2.Rc6#
      • 1...Qxc3
        • 2.Qxc3#
      • 1...Qd6
        • 2.Bf6#
      • 1...Qd3
        • 2.Rc6#
      • 1...e3
        • 2.Sd3#
        • 2.Sa6#
        • 2.Be5#
      • 1...c6
        • 2.Sa6#
        • 2.Rxc6#
      • 1...b5+!
  • Keys
    • 1.Ba4!
      • threat
        • 2.Rc6#
      • 1...Qxc3+
        • 2.Qxc3#
      • 1...Kc4
        • 2.Rc6#
      • 1...Qd6
        • 2.Bf6#
      • 1...e3
        • 2.Be5#
      • 1...c6
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);OGATE,P_SPINQ(b),XB(E)::QAR2(A),XQ(b)
        • Q(b);N_GUARD,SBLOCK::QAR(A)+B(E)
        • Q(b);::R1(H)
      • Refutation
        • P(f);CHECK
  • Actual
    • B(D);P_SPINB(E)
    • Threat
      • R1(H)
    • Vars
      • Q(b);CHECK,OGATE,P_SPINQ(b),XB(E)::QAR2(A),XQ(b)
      • K(d);N_SPINB(e),P-FLIGHT::R(H)
      • Q(b);N_PINB(E),SBLOCK::QAR(A)+B(E)
      • P(c);N_PINB(E)::QAR(A)+B(E)
      • P(h);::R1(H),XP(h)
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).