MESON Chess Problem Database

Problem Display
PID: 6615 (2n1q1B1/b7/4b1R1/N1pk1N1Q/5P2/BP3K2/1n5P/8 w - - 0 1)

Gray, Robert

Glasgow Herald, 1932

2n1q1B1/b7/4b1R1/N1pk1N1Q/5P2/BP3K2/1n5P/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.Bxe6#
    • 1...Qb5
      • 2.Bxe6#
    • 1...Qd8
      • 2.Bxe6#
    • 1...Qf8
      • 2.Bxe6#
    • 1...Sc4
      • 2.bxc4#
    • 1...Se7
      • 2.Bxe6#
  • Keys
    • 1.Ke3!
      • threat
        • 2.Qf3#
      • 1...Bf7+
        • 2.Se7#
      • 1...Bxg8+
        • 2.Se7#
      • 1...Sd1+
        • 2.Qxd1#
      • 1...Sc4+
        • 2.bxc4#
      • 1...c4+
        • 2.Sd4#
      • 1...Qa4
        • 2.Bxe6#
      • 1...Sd6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • Q(g);N_GUARD::B(J),XB(d)
    • S(a);OGATE::P(C),XS(a)
    • S(f);S_CUTQ(g)::B(J),XB(d)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • QAB(H)
    • Vars
      • B(d);CHECK::QAR(H)+S(G),DCHECK
      • B(d);CHECK,N_SPINB(d),XB(J)::QAR(H)+S(G),DCHECK
      • S(a);CHECK,N_GUARD::QAR(H),XS(a)
      • S(a);CHECK,OGATE::P(C),XS(a)
      • P(b);CHECK::QAR(H)+S(G)
      • Q(g);N_GUARD::B(J),XB(d)
      • S(f);SBLOCK::QAR(H)+S(G),DCHECK
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