MESON Chess Problem Database

Problem Display
PID: 99305 (B7/1r1b1NK1/3P4/RQ2N3/4pk2/6p1/3P4/1r6 w - - 0 1)

Molnar, Arpad

Sakkelet, 1994

B7/1r1b1NK1/3P4/RQ2N3/4pk2/6p1/3P4/1r6

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qxf1#
    • 1...Rb2
      • 2.Qf1#
    • 1...Rb4
      • 2.Qf1#
  • Tries
    • 1.Sg6+?
      • 1...Kg4
        • 2.Qh5#
      • 1...Kf3!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Sg6#
      • 1...Kf5
        • 2.Qg4#
      • 1...g2
        • 2.Qf2#
      • 1...e3
        • 2.Qf3#
      • 1...R1b5
        • 2.Qf1#
      • 1...R7b5
        • 2.Qxe4#
      • 1...Bb5
        • 2.Qg4#
      • 1...Bf5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::QAR(C),XR(a)
    • R(a);N_GUARD::QAR(C)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB1(C)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • S(D)
    • Vars
      • K(d);P-FLIGHT::QAB1(C)
      • P(b);N_GUARD::QAR2(C)
      • P(c);N_GUARD::QAR1(C)
      • R(a);N_GUARD::QAR(C)
      • R(e);::QAR1(C),XP(c)
      • B(f);N_GUARD,P_PINS(F)::QAR1(C)
      • B(f);P_PINS(F),SBLOCK::QAB1(C)
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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).