MESON Chess Problem Database

Problem Display
PID: 142178 (2Bb2N1/KN1P1n2/Rn1pk1P1/4P3/p2PP3/P7/8/8 w - - 0 1)

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

Reynold's News, 1939

(First published on Sat Sep 2 1939)

2Bb2N1/KN1P1n2/Rn1pk1P1/4P3/p2PP3/P7/8/8

#2

11 + 6

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.d8S#
    • 1...Bg5
      • 2.d8S#
    • 1...Bf6
      • 2.d8S#
    • 1...Bc7
      • 2.d8S#
    • 1...Be7
      • 2.d8S#
    • 1...Sc4
      • 2.Sc5#
    • 1...Sd5
      • 2.Sc5#
    • 1...Sxd7
      • 2.Sc5#
    • 1...Sa8
      • 2.Sc5#
    • 1...Sxc8+
      • 2.dxc8Q#
      • 2.dxc8B#
    • 1...Sxe5
      • 2.Sxd8#
    • 1...Sg5
      • 2.Sxd8#
    • 1...Sh6
      • 2.Sxd8#
    • 1...Sh8
      • 2.Sxd8#
    • 1...dxe5
      • 2.d5#
    • 1...d5
      • 2.Sc5#
  • Keys
    • 1.g7!
      • 1...Sxc8+
        • 2.dxc8Q#
        • 2.dxc8B#
      • 1...Sxd7
        • 2.Sc5#
      • 1...Sxe5
        • 2.Sxd8#
      • 1...dxe5
        • 2.d5#
      • 1...Sg5
        • 2.Sxd8#
      • 1...Sh6
        • 2.Sxd8#
      • 1...Sh8
        • 2.Sxd8#
      • 1...Bh4
        • 2.d8S#
      • 1...Bg5
        • 2.d8S#
      • 1...Bf6
        • 2.d8S#
      • 1...Bc7
        • 2.d8S#
      • 1...Be7
        • 2.d8S#
      • 1...Sc4
        • 2.Sc5#
      • 1...Sd5
        • 2.Sc5#
      • 1...Sa8
        • 2.Sc5#
      • 1...d5
        • 2.Sc5#

This is a version

Version of L J Zaak, E H Echo, 0000.

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE::P=S
    • S(b);P_SPINP(c)::S(H)
    • S(b);P_SPINP(c),P_SPINS(b),XP(I)::S(H)
    • S(b);CHECK,OGATE,P_SPINP(c),XB(J)::PXS(b)=Q
    • S(e);N_GUARD,XP(D)::S(H),XB(f)
    • S(e);N_GUARD::S(H),XB(f)
    • P(c);P_SPINS(b),SBLOCK,XP(D)::P(B)
    • P(c);N_GUARD,P_SPINS(b)::S(H)
  • Actual
    • P(F);
    • Vars
      • S(b);CHECK,OGATE,P_SPINP(c),XB(J)::PXS(b)=Q
      • S(b);P_SPINP(c),P_SPINS(b),XP(I)::S(H)
      • S(e);N_GUARD,XP(D)::S(H),XB(f)
      • P(c);P_SPINS(b),SBLOCK,XP(D)::P(B)
      • S(e);N_GUARD::S(H),XB(f)
      • B(f);OGATE::P=S
      • S(b);P_SPINP(c)::S(H)
      • P(c);N_GUARD,P_SPINS(b)::S(H)
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