MESON Chess Problem Database

Problem Display
PID: 266871 (3Q4/2p3p1/K1PnB1p1/6P1/1Rnkp3/8/3P1N2/4R1B1 w - - 0 1)

Mosiashvili, Givi

The Problemist, 1998

3Q4/2p3p1/K1PnB1p1/6P1/1Rnkp3/8/3P1N2/4R1B1

#2

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7?
      • 1...Kc5
        • 2.Rxc4#
      • 1...Ke5
        • 2.Sd3#
      • 1...Sb5
        • 2.Rxe4#
      • 1...Sf5
        • 2.Rxe4#
      • 1...Sb7
        • 2.Rxe4#
      • 1...Sf7
        • 2.Rxe4#
      • 1...Sc8
        • 2.Rxe4#
      • 1...Se8
        • 2.Rxe4#
      • 1...e3!
    • 1.Qd7?
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke5
        • 2.Sd3#
      • 1...e3!
  • Keys
    • 1.Qxc7!
      • threat
        • 2.Qxd6#
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke5
        • 2.Rxe4#
      • 1...Sb5
        • 2.Rxc4#
      • 1...Sf5
        • 2.Rxc4#
      • 1...Sb7
        • 2.Rxc4#
      • 1...Sf7
        • 2.Rxc4#
      • 1...Sc8
        • 2.Rxc4#
      • 1...Se8
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);
      • Vars
        • K(b);N_GUARD,N_SPINS(a),P_SPINS(d),S_FLIGHT::R1(E),XS(a)
        • K(b);N_GUARD,N_SPINS(a),P_SPINP(c),S_FLIGHT::S(D)
        • S(d);N_GUARD::R1(A),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(J);
      • Vars
        • K(b);N_GUARD,N_SPINS(a),S_FLIGHT::B(B)+S(D),DCHECK
        • K(b);N_GUARD,N_SPINS(a),P_SPINP(c),S_FLIGHT::S(D)
      • Refutation
        • P(c);
  • Actual
    • Q(J);XP(f)
    • Threat
      • QAR2(J),XS(d)
    • Vars
      • K(b);N_GUARD,N_SPINS(a),S_FLIGHT::B(B)+S(D),DCHECK
      • K(b);N_GUARD,N_SPINS(a),P_SPINP(c),P_SPINS(d),S_FLIGHT::R1(A),XP(c)
      • S(d);N_GUARD::R1(E),XS(a)
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