MESON Chess Problem Database

Problem Display
PID: 142428 (4q1B1/2n2r2/2p1N3/2Bk1p2/3rR3/1P1p4/5NP1/3Q1K2 w - - 0 1)

Melvin, Herbert A ('Hamel' or Zaak, HA)

Stratford Express, 1948

(First published on Fri Jul 16 1948)

4q1B1/2n2r2/2p1N3/2Bk1p2/3rR3/1P1p4/5NP1/3Q1K2

#2

9 + 8

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.bxc4#
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Re5#
      • 1...fxe4+
        • 2.Sef4#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Qxe6
        • 2.Rxd4#
      • 1...Rxd3
        • 2.Qxd3#
      • 1...Rxe4
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATE,P_SPINP(a)::P(E),XR(b)
  • Actual
    • S(C);XP(a)
    • Threat
      • R1(F)
    • Vars
      • P(d);CHECK,SBLOCK,XR(F)::S(H)
      • K(c);OGATEB,S_FLIGHT,XR(F)::QAB1(A)
      • Q(h);SBLOCK,XS(H)::R1(F),XR(b)
      • R(b);OGATE,P_SPINR(b),XS(C)::QAR2(A),XR(b)
      • R(b);SBLOCK,XR(F)::S(H),XS(f)
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