MESON Chess Problem Database

Problem Display
PID: 152274 (8/4R2p/2Np4/r2PN2K/4k2b/n7/2n5/1B3QBb w - - 0 1)

Berry, Charles Vincent E

Hampstead and Highgate Express, 1898

(First published on Sat Mar 26 1898)

8/4R2p/2Np4/r2PN2K/4k2b/n7/2n5/1B3QBb

#2

8 + 8

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3+
      • 2.Qxf3#
    • 1...dxe5
      • 2.Rxe5#
  • Tries
    • 1.Bxc2+?
      • 1...Kxd5
        • 2.Sb4#
        • 2.Qd3#
        • 2.Qd1#
        • 2.Qf7#
      • 1...Sxc2!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qd3#
      • 1...Bf3+
        • 2.Qxf3#
      • 1...Kxe3
        • 2.Sc4#
      • 1...Kxd5
        • 2.Qxh1#
      • 1...Rxd5
        • 2.Qf4#
      • 1...dxe5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,N_GUARD::QAB1(B),XB(a)
    • P(g);OGATE,P_SPINP(g),XS(E)::R1(H),XP(g)
  • Tries
    • Try
      • B(A);CHECK,XS(b)
      • Refutation
        • S(c);XB(A)
  • Actual
    • B(C);
    • Threat
      • QAB1(B)
    • Vars
      • B(a);CHECK,N_GUARD::QAB1(B),XB(a)
      • K(d);N_SPINS(b),P-FLIGHT,XB(C)::R(H)+S(E),DCHECK
      • K(d);N_SPINS(b),S_FLIGHT,XP(D)::QAB(B),XB(a)
      • R(f);P_PINS(E),SBLOCK,XP(D)::QAR1(B)
      • P(g);OGATE,P_SPINP(g),XS(E)::R1(H),XP(g)
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