MESON Chess Problem Database

Problem Display
PID: 239096 (8/8/8/2pB4/5p2/4kN2/5p1K/5Q2 w - - 0 1)

Innocenti, Didier

The Problemist, 1988

8/8/8/2pB4/5p2/4kN2/5p1K/5Q2

#2

4 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Be6?
      • 1...Kxf3
        • 2.Qd3#
      • 1...Ke4
        • 2.Qe2#
      • 1...c4!
    • 1.Qc1+?
      • 1...Kd3
        • 2.Qd2#
      • 1...Ke2!
    • 1.Qxf2+?
      • 1...Kd3
        • 2.Qd2#
      • 1...Kxf2!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Qe2#
        • 2.Qd3#
      • 1...Kxf3
        • 2.Qe2#
      • 1...Ke4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a),XS(C)::QAR2(A)
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • B(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a),XS(C)::QAB1(A)
      • K(b);P-FLIGHT::QAB1(A)
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