MESON Chess Problem Database

Problem Display
PID: 249822 (8/4p2p/Q3pk1B/2P5/7N/5B2/8/5K2 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Schweizerische Schachzeitung, 1996

8/4p2p/Q3pk1B/2P5/7N/5B2/8/5K2

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qa1#
  • Tries
    • 1.Ke1?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Kg1?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Ke2?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Kf2?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Kg2?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Bh1?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Bg2?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Bb7?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Ba8?
      • 1...Ke5
        • 2.Qa1#
      • 1...Kf7!
    • 1.Qd3?
      • 1...Ke5
        • 2.Qc3#
      • 1...e5
        • 2.Qf5#
      • 1...Kf7!
    • 1.Qb6?
      • 1...Ke5
        • 2.Qb2#
      • 1...Kf7!
    • 1.Qa8?
      • 1...Ke5
        • 2.Qa1#
        • 2.Qh8#
      • 1...Kf7
        • 2.Qf8#
      • 1...e5!
  • Keys
    • 1.Qc8!
      • 1...Ke5
        • 2.Qh8#
      • 1...Kf7
        • 2.Qf8#
      • 1...e5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • Q(E);N_PINP(a)
      • Vars
        • K(b);N_GUARD,S_CUTP(a),S_FLIGHT::QAB(E)
        • P(a);N_GUARD::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),S_CUTP(a),S_FLIGHT::QAB(E)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • Q(E);N_PINP(a)
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR1(E)
      • Refutation
        • P(a);
  • Actual
    • Q(E);N_PINP(a)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAB(E)
      • K(b);N_GUARD,P-FLIGHT::QAR1(E)
      • P(a);OGATE::QAR1(E)
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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).