MESON Chess Problem Database

Problem Display
PID: 267257 (1rk1b3/1qNRb3/pQ2pp2/4BB2/1p6/8/8/2KR4 w - - 0 1)

Taylor, J

Sunday Referee, 1938

(First published on Sun Jun 19 1938)

1rk1b3/1qNRb3/pQ2pp2/4BB2/1p6/8/8/2KR4

#2

7 + 9

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc7+
      • 2.Rxc7#
      • 2.Qxc7#
    • 1...Bc5
      • 2.Rd8#
    • 1...Bd8
      • 2.Rxd8#
    • 1...Bf8
      • 2.Rd8#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sxe7#
      • 1...Qc6+
        • 2.Qxc6#
      • 1...Qc7+
        • 2.Qxc7#
      • 1...Kxd7
        • 2.Bxe6#
      • 1...Qxd5
        • 2.Qc7#
      • 1...Qxd7
        • 2.Qxb8#
      • 1...exd5
        • 2.Rd8#
      • 1...Bc5
        • 2.Rd8#
        • 2.Qd8#
      • 1...Bd6
        • 2.Rd8#
        • 2.Qd8#
      • 1...Bd8
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Bf8
        • 2.Rd8#
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • B(f);N_GUARD::R1(G)
    • B(f);N_GUARD::R1(G),XB(f)
  • Actual
    • S(F);
    • Threat
      • S(F),XB(f)
    • Vars
      • Q(e);CHECK,N_GUARD::QAR2(E),XQ(e)
      • Q(e);CHECK,N_GUARD::QAR1(E),XQ(e)
      • K(h);OGATEB,P_SPINP(c),S_FLIGHT,XR(G)::B(D),XP(c)
      • Q(e);N_GUARD,XS(F)::QAR1(E)
      • Q(e);OGATE,SBLOCK,XR(G)::QAR1(E),XR(g)
      • P(c);XS(F)::B(D)+R(G),DCHECK
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