MESON Chess Problem Database

Problem Display
PID: 226350 (N1r4b/2p3PK/7Q/2Bk4/1pR3N1/3n4/Pr1n4/5B2 w - - 0 1)

Cooke, Reginald B

British Chess Magazine, 1931

N1r4b/2p3PK/7Q/2Bk4/1pR3N1/3n4/Pr1n4/5B2

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Se3#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qc6#
      • 1...Kxc4
        • 2.Qc6#
      • 1...Sc5
        • 2.Rd4#
      • 1...Se5
        • 2.Se3#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#
      • 1...Sxc4!
    • 1.Qc6+?
      • 1...Kxc4
        • 2.Bg1#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bb6#
        • 2.Ba7#
      • 1...Kxc6!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Qc6#
      • 1...Kxc4
        • 2.Qc6#
      • 1...Sxc4
        • 2.Bg2#
      • 1...Sc5
        • 2.Rd4#
      • 1...Se5
        • 2.Se3#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::S(D)
    • P(f);N_GUARD::S(I)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAB1(F)
      • Vars
        • K(e);P_SPINS(c),S_FLIGHT,XR(C)::QAR2(F)
        • S(c);SBLOCK::R1(C)
        • S(c);SBLOCK::S(D)
        • P(f);N_GUARD::S(I)
      • Refutation
        • S(b);XR(C)
    • Try
      • Q(F);CHECK
      • Refutation
        • K(e);S_FLIGHT,XQ(F)
  • Actual
    • B(E);
    • Threat
      • QAB1(F)
    • Vars
      • K(e);P_SPINS(c),S_FLIGHT,XR(C)::QAR2(F)
      • S(b);N_GUARD,SBLOCK,XR(C)::B(A)
      • S(c);SBLOCK::R1(C)
      • S(c);SBLOCK::S(D)
      • P(f);N_GUARD::S(I)
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