MESON Chess Problem Database

Problem Display
PID: 272088 (8/1K3p2/1p2N1q1/kp1Rb1R1/6pQ/1P3n2/1P6/8 w - - 0 1)

Brough, James

Sunday Referee, 1934

(First published on Sun Apr 29 1934)

8/1K3p2/1p2N1q1/kp1Rb1R1/6pQ/1P3n2/1P6/8

#2

7 + 8

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb2
      • 2.Rxb5#
    • 1...Bh2
      • 2.Rxb5#
    • 1...Bc3
      • 2.Rxb5#
    • 1...Bg3
      • 2.Rxb5#
    • 1...Bd4
      • 2.Rxb5#
    • 1...Bf4
      • 2.Rxb5#
    • 1...Bd6
      • 2.Rxb5#
    • 1...Bf6
      • 2.Rxb5#
    • 1...Bc7
      • 2.Rxb5#
    • 1...Bg7
      • 2.Rxb5#
    • 1...Bb8
      • 2.Rxb5#
    • 1...Bh8
      • 2.Rxb5#
    • 1...Sd4
      • 2.Qe1#
    • 1...g3
      • 2.Qa4#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Rxb5#
      • 1...Qc6+
        • 2.Sxc6#
      • 1...Kb4
        • 2.Rxb5#
      • 1...Sxd4
        • 2.Qe1#
      • 1...Qd3
        • 2.Sc6#
      • 1...Qe4
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 13
  • Sets
    • B(e);XP(A)::R1(D),XP(d)
    • B(e);::R1(D),XP(d)
    • S(a);N_GUARD,S_CUTB(e)::QAB(C)
    • P(b);OGATE::QAR1(C)
  • Actual
    • S(F);
    • Threat
      • R1(D),XP(d)
    • Vars
      • Q(g);CHECK,N_GUARD::S(F),XQ(g)
      • K(c);N_SPINP(d),S_FLIGHT::R1(D),XP(d)
      • S(a);N_GUARD,XS(F)::QAB(C)
      • Q(g);N_GUARD::S(F)
      • Q(g);N_GUARD,P_PINR(D)::S(F)
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