MESON Chess Problem Database

Problem Display
PID: 276712 (1Q3B2/8/p1p3p1/r1r2pP1/P1k1B2n/1p2P3/1P6/2K1N3 w - - 0 1)

Boswell, Edward

Caine, Walter Edmund

Western Morning News, 1926

(First published on Sat Oct 23 1926)

1Q3B2/8/p1p3p1/r1r2pP1/P1k1B2n/1p2P3/1P6/2K1N3

#2

9 + 9

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qb4#
    • 1...Re5
      • 2.Qb4#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Bh1#
        • 2.Bg2#
        • 2.Bf3#
        • 2.Bxc6#
      • 1...Kb4+
        • 2.Bc2#
      • 1...Rxa4
        • 2.Bxc6#
      • 1...fxe4
        • 2.Qxe4#
      • 1...Rd5
        • 2.Bd3#
      • 1...Re5
        • 2.Qf1#
      • 1...Sg2
        • 2.Bxg2#
      • 1...Sf3
        • 2.Bxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(e);::QAR1(H)
  • Actual
    • Q(H);
    • Threat
      • DUALS(4)
    • Vars
      • K(b);CHECK,N_GUARD,P-FLIGHT,P_SPINR(e)::QAR(H)+B(F)
      • R(d);XP(E)::QAR(H)+B(F),XP(h)
      • P(f);OGATE,P_SPINP(f),XB(F)::QAR2(H),XP(f)
      • R(e);SBLOCK::QAR(H)+B(F),DCHECK
      • R(e);::QAB(H)
      • S(c);::QAR(H)+B(F),XS(c)
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