MESON Chess Problem Database

Problem Display
PID: 32688 (6Q1/b2n3p/7k/8/4R1p1/B6n/K4PbR/4N3 w - - 0 1)

Thompson, Theophilus Augustus

Chess Problems by Theophilus A. Thompson, 1873

6Q1/b2n3p/7k/8/4R1p1/B6n/K4PbR/4N3

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...g3
      • 2.Rh4#
  • Tries
    • 1.Bc1+?
      • 1...Kh5
        • 2.Qxh7#
        • 2.Qxg4#
        • 2.Qg5#
      • 1...Be3!
    • 1.Bf8+?
      • 1...Kh5
        • 2.Qxg4#
      • 1...Sxf8!
    • 1.Rxh3+?
      • 1...gxh3
        • 2.Rh4#
      • 1...Bxh3!
    • 1.Rxg4?
      • threat
        • 2.Rh4#
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...Bxf2
        • 2.Qg5#
      • 1...Be3
        • 2.Rh4#
      • 1...Bf3
        • 2.Rxh3#
        • 2.Qg5#
      • 1...Sf6
        • 2.Qg5#
      • 1...Bd5+!
  • Keys
    • 1.f4!
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qxh7#
        • 2.Qg5#
      • 1...gxf4 ep
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE::R(F)
  • Tries
    • Try
      • B(E);CHECK
      • Refutation
        • B(e);P_SPINB(e)
    • Try
      • B(E);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB1(G),XP(c)
      • Refutation
        • S(f);XB(E)
    • Try
      • R(D);CHECK,XS(b)
      • Vars
        • P(c);OGATE,XR(D)::R(F)
      • Refutation
        • B(a);XR(D)
    • Try
      • R(F);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P-FLIGHT::QAR1(G)
        • B(e);XP(C)::QAB1(G)
        • B(e);::R(F)
        • S(f);::QAB1(G)
      • Refutation
        • B(a);CHECK
  • Actual
    • P(C);
    • Threat
      • QAB1(G)
    • Vars
      • P(c);EP,OGATE,XP(C)::R(F)
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