MESON Chess Problem Database

Problem Display
PID: 32689 (6B1/5r2/8/p6p/p5nK/k1B5/8/4N2Q w - - 0 1)

Thompson, Theophilus Augustus

Chess Problems by Theophilus A. Thompson, 1873

6B1/5r2/8/p6p/p5nK/k1B5/8/4N2Q

#2

5 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Sc2#
    • 1...Rf3
      • 2.Sc2#
    • 1...Rf4
      • 2.Sc2#
    • 1...Rf5
      • 2.Sc2#
    • 1...Rf6
      • 2.Sc2#
    • 1...Ra7
      • 2.Sc2#
    • 1...Rb7
      • 2.Sc2#
    • 1...Rc7
      • 2.Sc2#
    • 1...Rd7
      • 2.Sc2#
    • 1...Re7
      • 2.Sc2#
    • 1...Rg7
      • 2.Sc2#
    • 1...Rh7
      • 2.Sc2#
    • 1...Rf8
      • 2.Sc2#
  • Tries
    • 1.Sc2+?
      • 1...Ka2
        • 2.Bxf7#
      • 1...Kb3!
    • 1.Qd5?
      • threat
        • 2.Sc2#
      • 1...Rf2
        • 2.Qc5#
        • 2.Qd6#
      • 1...Se3!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Rxb7
        • 2.Sc2#
      • 1...Rf2
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • R(f);::S(A)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINR(f)::B(E),XR(f)
      • Refutation
        • K(a);P-FLIGHT,P_SPINR(f)
    • Try
      • Q(B);
      • Threat
        • S(A)
      • Refutation
        • S(c);
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);P-FLIGHT,P_SPINR(f)::QAR1(B)
      • R(f);XQ(B)::S(A)
      • R(f);N_GUARD::QAB(B)
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Developed and maintained by Brian Stephenson.
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