MESON Chess Problem Database

Problem Display
PID: 23704 (6Q1/1R6/3PP1K1/2pk2bR/P1N3p1/2P2rp1/1N4B1/8 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

4th Comm., Troll, 1997-1998

6Q1/1R6/3PP1K1/2pk2bR/P1N3p1/2P2rp1/1N4B1/8

#2

11 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg5+?
      • 1...Kc6
        • 2.Rb6#
        • 2.Rc7#
        • 2.Qc8#
      • 1...Ke4!
    • 1.Rb3?
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Rb5?
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Ra7?
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Rd7?
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Re7?
      • threat
        • 2.Qa8#
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Rg7?
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Rbh7?
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke4!
    • 1.Qf7?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kc6!
    • 1.Qg7?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxe6
        • 2.Qe5#
      • 1...Kc6!
    • 1.Qa8?
      • threat
        • 2.Re7#
      • 1...Ke4
        • 2.Rf7#
      • 1...Kc6
        • 2.Rb3#
        • 2.Rb4#
        • 2.Rb5#
        • 2.Rb6#
        • 2.Ra7#
        • 2.Rc7#
        • 2.Rd7#
        • 2.Re7#
        • 2.Rf7#
        • 2.Rg7#
        • 2.Rbh7#
        • 2.Rb8#
      • 1...Kxe6!
    • 1.Qh8?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxe6
        • 2.Qe5#
      • 1...Kc6!
    • 1.e7+?
      • 1...Kc6
        • 2.Rc7#
      • 1...Ke4!
  • Keys
    • 1.Rf7!
      • 1...Ke4
        • 2.Qa8#
      • 1...Kc6
        • 2.Qa8#
      • 1...Kxe6
        • 2.Re7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK,XB(f)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • R(J);P_PINP(d)
      • Vars
        • K(e);N_SPINB(f),N_SPINP(d),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),N_SPINP(d),S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • R(J);
      • Threat
        • QAB(K)
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • R(J);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • Q(K);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB1(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • Q(K);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAR1(K)
        • K(e);N_SPINB(f),N_SPINR(a),S_FLIGHT,XP(H)::QAR1(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • Q(K);
      • Threat
        • QAB(K)+R(J)
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(K)+R(J)
      • Refutation
        • K(e);N_SPINB(f),N_SPINR(a),S_FLIGHT,XP(H)
    • Try
      • Q(K);
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAR1(K)
        • K(e);N_SPINB(f),N_SPINR(a),S_FLIGHT,XP(H)::QAR1(K)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
    • Try
      • P(H);CHECK
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::R1(J)
      • Refutation
        • K(e);N_SPINB(f),S_FLIGHT
  • Actual
    • R(J);
    • Vars
      • K(e);N_SPINB(f),S_FLIGHT::QAB(K)
      • K(e);N_SPINB(f),N_SPINR(a),OGATEB,S_FLIGHT,XP(H)::QAB(K)+R(J),DCHECK
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