MESON Chess Problem Database

Problem Display
PID: 100831 (2QBB3/K4Npq/2PPPp1r/2R1pk1p/b1P4R/2rP1P2/4P3/6n1 w - - 0 1)

Stewart, John

Stubbs, Arthur Goodwin

The Field, 1954

(First published on Thu Mar 11 1954)

2QBB3/K4Npq/2PPPp1r/2R1pk1p/b1P4R/2rP1P2/4P3/6n1

#2

14 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qg6
      • 2.e4#
      • 2.e7#
    • 1...Rg6
      • 2.e4#
      • 2.e7#
    • 1...g6
      • 2.e4#
      • 2.e7#
  • Tries
    • 1.Rxe5+?
      • 1...Kg6
        • 2.Sg5#
        • 2.Sh8#
      • 1...fxe5!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sg6#
      • 1...g5+
        • 2.e7#
      • 1...g6+
        • 2.Sf7#
      • 1...Kg5
        • 2.Sg6#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Rxc4
        • 2.Sxc4#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...fxe5
        • 2.e4#
      • 1...Qg6
        • 2.Sxg6#
        • 2.Sf7#
      • 1...Rg6
        • 2.Sxg6#
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK,XP(d)
      • Refutation
        • P(g);XR(F)
  • Actual
    • S(K);XP(d)
    • Threat
      • R(F)+S(K)
    • Vars
      • P(i);CHECK,SBLOCK::QAB(L)+P(I)
      • P(i);CHECK,SBLOCK::R(F)+S(K)
      • K(e);P-FLIGHT,P_SPINP(g)::R(F)+S(K)
      • R(b);XP(B)::R(F)+S(K),XR(b)
      • R(b);XP(D)::R(F)+S(K),XR(b)
      • B(c);XP(G)::R(F)+S(K),XB(c)
      • S(a);XP(C)::R(F)+S(K),XS(a)
      • P(g);P_SPINP(g),XS(K)::P(A)
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