MESON Chess Problem Database

Problem Display
PID: 15369 (NN6/6Q1/4k3/2r3pp/2p5/5B2/2K2p1B/8 w - - 0 1)

Carrez, Jean-Pierre

3rd Prize, diagrammes, 1982

NN6/6Q1/4k3/2r3pp/2p5/5B2/2K2p1B/8

#2

6 + 6

14620 Sunningdale Machine Gun Solving 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qf7#
    • 1...Rf5
      • 2.Sc7#
  • Tries
    • 1.Sc7+?
      • 1...Kf5
        • 2.Qf7#
      • 1...Rxc7!
    • 1.Be5?
      • threat
        • 2.Qf6#
      • 1...Kf5
        • 2.Qf6#
      • 1...Rxe5!
    • 1.Bg4+?
      • 1...Kd5
        • 2.Qe5#
      • 1...Rf5
        • 2.Sc7#
      • 1...hxg4!
    • 1.Qe7+?
      • 1...Kf5
        • 2.Qf7#
      • 1...Kxe7!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qg6#
      • 1...Kf5
        • 2.Qf7#
      • 1...Kxd6
        • 2.Qf6#
      • 1...Rf5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::QAR2(D)
    • R(c);N_GUARD,SBLOCK::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR2(D)
      • Refutation
        • R(c);XS(E)
    • Try
      • B(B);
      • Threat
        • QAR1(D)
      • Vars
        • K(f);S_FLIGHT::QAR1(D)
      • Refutation
        • R(c);XB(B)
    • Try
      • B(C);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR1(D)
        • R(c);P_SPINR(c)::S(E)
      • Refutation
        • P(e);XB(C)
    • Try
      • Q(D);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR2(D)
      • Refutation
        • K(f);P-FLIGHT,XQ(D)
  • Actual
    • B(B);
    • Threat
      • QAR2(D)
    • Vars
      • K(f);S_FLIGHT::QAR2(D)
      • K(f);P-FLIGHT,XB(B)::QAR2(D)
      • R(c);SBLOCK::QAR1(D)
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