MESON Chess Problem Database

Problem Display
PID: 247884 (3R4/Kp4N1/6pB/3b4/4k1p1/Qp2pNP1/2R3n1/7B w - - 0 1)

Schonholzer, Andreas

2nd HM., Blikeng-80 JT, 1993-1994

3R4/Kp4N1/6pB/3b4/4k1p1/Qp2pNP1/2R3n1/7B

#2

9 + 8

14867 BCPS Library 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qb4+?
      • 1...Kd3
        • 2.Qc4#
      • 1...Kxf3
        • 2.Qf4#
      • 1...Bc4!
    • 1.Qd6?
      • threat
        • 2.Qxd5#
      • 1...Kd3
        • 2.Qxg6#
      • 1...Kxf3
        • 2.Bxg2#
        • 2.Qf4#
      • 1...Bc4
        • 2.Sg5#
      • 1...Bc6
        • 2.Sg5#
      • 1...Be6
        • 2.Sg5#
      • 1...Bf7
        • 2.Sg5#
      • 1...Bg8
        • 2.Sg5#
      • 1...Sf4!
    • 1.Qa4+?
      • 1...Kd3
        • 2.Qc4#
      • 1...Kxf3
        • 2.Qf4#
      • 1...Bc4!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qxd5#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kxf3
        • 2.Qxe3#
      • 1...Bc4
        • 2.Sg5#
      • 1...Bc6
        • 2.Sg5#
      • 1...Be6
        • 2.Sg5#
      • 1...Bf7
        • 2.Sg5#
      • 1...Bg8
        • 2.Sg5#
      • 1...Sf4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P_SPINB(f),S_FLIGHT::QAB1(C)
        • K(d);OGATE,P_SPINS(a),S_FLIGHT,XS(D)::QAR1(C)
      • Refutation
        • B(f);P_SPINB(f)
    • Try
      • Q(C);
      • Threat
        • QAB1(C),XB(f)
      • Vars
        • K(d);P_SPINB(f),S_FLIGHT::QAB(C),XP(g)
        • B(f);::S(D)
      • Refutation
        • S(a);
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P_SPINB(f),S_FLIGHT::QAB1(C)
        • K(d);OGATE,P_SPINS(a),S_FLIGHT,XS(D)::QAR1(C)
      • Refutation
        • B(f);P_SPINB(f)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C),XB(f)
    • Vars
      • K(d);P_SPINB(f),S_FLIGHT::QAB1(C)
      • K(d);P_SPINS(a),S_FLIGHT,XS(D)::QAR1(C),XP(c)
      • B(f);::S(D)
      • S(a);::QAR1(C)
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