MESON Chess Problem Database

Problem Display
PID: 155088 (7Q/3RpK2/2pP1P2/2ppp3/2Bk4/1PN5/3P3P/8 w - - 0 1)

Barnes, Barry Peter

StrateGems, 2014

7Q/3RpK2/2pP1P2/2ppp3/2Bk4/1PN5/3P3P/8

#2

10 + 6

56 The Problemist 2014

SOLUTION

  • SOUND
  • Sets
    • 1...dxc4
      • 2.dxe7#
    • 1...e4
      • 2.fxe7#
  • Tries
    • 1.Kxe7?
      • 1...e4
        • 2.f7#
      • 1...dxc4!
    • 1.Rxe7?
      • 1...e4
        • 2.Se2#
      • 1...dxc4!
    • 1.Qh3?
      • threat
        • 2.Qd3#
        • 2.Qe3#
      • 1...dxc4
        • 2.Qe3#
        • 2.dxe7#
      • 1...e4!
    • 1.Qh7?
      • threat
        • 2.Se2#
        • 2.Qd3#
      • 1...dxc4
        • 2.Qe4#
        • 2.dxe7#
      • 1...e4!
    • 1.Qg8?
      • threat
        • 2.Qg1#
      • 1...dxc4
        • 2.dxe7#
      • 1...e4!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qg1#
      • 1...dxc4
        • 2.dxe7#
      • 1...e4
        • 2.fxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);XB(E)::R(H)+P(F),XP(f)
    • P(d);::QAB(J)+P(G),XP(f)
  • Tries
    • Try
      • K(I);P-FLIGHT,XP(f)
      • Vars
        • P(d);::QAB(J)+P(G)
      • Refutation
        • P(c);XB(E)
    • Try
      • R(H);XP(f)
      • Vars
        • P(d);::S(D)
      • Refutation
        • P(c);XB(E)
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);
    • Try
      • Q(J);
      • Threat
        • QAB(J)
      • Vars
        • P(c);XB(E)::R(H)+P(F),XP(f)
      • Refutation
        • P(d);
  • Actual
    • Q(J);
    • Threat
      • QAB(J)
    • Vars
      • P(c);XB(E)::R(H)+P(F),XP(f)
      • P(d);::QAB(J)+P(G),XP(f)
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