MESON Chess Problem Database

Problem Display
PID: 16190 (8/R7/3NkN2/4p3/8/8/8/K3Q3 w - - 0 1)

Mosiashvili, Givi

StrateGems, 2000

8/R7/3NkN2/4p3/8/8/8/K3Q3

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sde8?
      • 1...e4
        • 2.Qxe4#
      • 1...Kf5!
    • 1.Sfe8?
      • 1...e4
        • 2.Qxe4#
      • 1...Kd5!
    • 1.Qd2?
      • 1...Kxf6
        • 2.Qh6#
      • 1...e4!
    • 1.Qf2?
      • 1...Kxd6
        • 2.Qb6#
      • 1...e4!
    • 1.Qb1?
      • 1...Kxd6
        • 2.Qb6#
      • 1...Kxf6
        • 2.Qf5#
      • 1...e4!
    • 1.Qh1?
      • 1...Kxd6
        • 2.Qd5#
      • 1...Kxf6
        • 2.Qh6#
      • 1...e4!
    • 1.Qe3?
      • 1...Kxd6
        • 2.Qb6#
      • 1...Kxf6
        • 2.Qh6#
      • 1...e4!
  • Keys
    • 1.Qe4!
      • 1...Kxd6
        • 2.Qd5#
      • 1...Kxf6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • S(D);
      • Vars
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(B);N_PINP(a)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(D)::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);N_PINP(a)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(C)::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);N_PINP(a)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(C)::QAR2(B)
        • K(b);P-FLIGHT,XS(D)::QAR1(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);N_PINP(a)
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR1(B)
        • K(b);OGATEB,P-FLIGHT,XS(D)::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINP(a),OGATEB,P-FLIGHT,XS(C)::QAR2(B)
        • K(b);N_SPINP(a),OGATEB,P-FLIGHT,XS(D)::QAR2(B)
      • Refutation
        • P(a);
  • Actual
    • Q(B);
    • Vars
      • K(b);N_SPINP(a),P-FLIGHT,XS(C)::QAR1(B)
      • K(b);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(B)
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