MESON Chess Problem Database

Problem Display
PID: 10533 (8/6K1/8/1bpB3R/p2k1Bp1/2p2q1p/4pRpp/2N3Q1 w - - 0 1)

Morice, Jean

6th Prize, Le Probleme 02. TT, 1965

8/6K1/8/1bpB3R/p2k1Bp1/2p2q1p/4pRpp/2N3Q1

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Qxf2#
    • 1...Qxf4
      • 2.Rxf4#
    • 1...e1Q
      • 2.Rd2#
    • 1...e1S
      • 2.Rd2#
    • 1...e1B
      • 2.Rd2#
    • 1...e1R
      • 2.Rd2#
    • 1...h1B
      • 2.Rxf3#
  • Tries
    • 1.Be3+?
      • 1...Qxe3
        • 2.Rf4#
      • 1...Kxe3!
    • 1.Be5+?
      • 1...Ke3
        • 2.Rxe2#
      • 1...Kxd5!
  • Keys
    • 1.Bxh2!
      • threat
        • 2.Rxf3#
      • 1...Qf6+
        • 2.Rxf6#
      • 1...Qf7+
        • 2.Rxf7#
      • 1...Qf8+
        • 2.Rxf8#
      • 1...Ke3
        • 2.Rxe2#
      • 1...Qxd5
        • 2.Rf4#
      • 1...Qxf2
        • 2.Qxf2#
      • 1...Qf5
        • 2.Rfxf5#
      • 1...e1Q
        • 2.Rd2#
      • 1...e1B
        • 2.Rd2#
      • 1...e1R
        • 2.Rd2#
      • 1...Qe4
        • 2.Rf4#
      • 1...Qd3
        • 2.Rf4#
      • 1...Qe3
        • 2.Rf4#
      • 1...Qg3
        • 2.Rf4#
      • 1...Qf4
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 2
  • Sets
    • Q(e);OGATE,P_SPINQ(e),XR(C)::QAB(B),XQ(e)
    • Q(e);OGATE,XB(D)::QAB(B)+R(C),DCHECK,XQ(e)
    • P(a);OGATE::QAB(B)+R(C),DCHECK
    • P(c);N_GUARD::QAB(B)+R(C),XQ(e)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • Q(e);OGATE,XB(D)::R(C)
      • Refutation
        • K(h);S_FLIGHT,XB(D)
    • Try
      • B(D);CHECK
      • Vars
        • K(h);S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Refutation
        • K(h);P-FLIGHT,XB(E)
  • Actual
    • B(D);XP(c)
    • Threat
      • QAB(B)+R(C),XQ(e)
    • Vars
      • Q(e);CHECK,OGATE::QAB(B)+R(C),XQ(e)
      • K(h);S_FLIGHT::QAB(B)+R(C),DCHECK,XP(a)
      • Q(e);OGATE,XB(E)::QAB(B)+R(C),DCHECK
      • Q(e);OGATE,P_SPINQ(e),XR(C)::QAB(B),XQ(e)
      • Q(e);OGATE::QAB(B)+R(C),XQ(e)
      • P(a);OGATE::QAB(B)+R(C),DCHECK
      • Q(e);OGATE::QAB(B)+R(C)
      • Q(e);OGATE::QAB(B)+R(C),DCHECK
      • Q(e);OGATE::R(C)
      • Q(e);OGATE::QAB(B)+R(C),DCHECK,XQ(e)
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