MESON Chess Problem Database

Problem Display
PID: 35390 (2B3N1/2P5/2p1p3/2b1k3/2P1P1pr/6P1/1N1QRP2/K5B1 w - - 0 1)

Reitman, Mark

2nd HM., Tidskrift for Schack, 1995

2B3N1/2P5/2p1p3/2b1k3/2P1P1pr/6P1/1N1QRP2/K5B1

#2

12 + 6

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qf4#
    • 1...Bd6
      • 2.Qc3#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Sd3#
      • 1...Bd6
        • 2.Qg7#
      • 1...Bd4
        • 2.Qxe6#
      • 1...Be3!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qxc5#
      • 1...Kd4
        • 2.f4#
      • 1...Kd6
        • 2.e5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(c);P_PINS(C),SBLOCK::QAB1(D)
    • B(c);N_GUARD,SBLOCK::QAB(D)
  • Tries
    • Try
      • Q(D);
      • Threat
        • S(C)
      • Vars
        • B(c);SBLOCK::QAB(D)
        • B(c);P_PINS(C),SBLOCK::QAR1(D),XP(f)
      • Refutation
        • B(c);
  • Actual
    • Q(D);P_PINB(c)
    • Threat
      • QAR2(D),XB(c)
    • Vars
      • K(d);N_SPINB(c),S_FLIGHT::B(B)+P(F)
      • K(d);N_SPINB(c),OGATE,S_FLIGHT::P(I)
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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).