MESON Chess Problem Database

Problem Display
PID: 32672 (5K2/2BB4/n7/3k4/4N3/2p5/2P2Q2/8 w - - 0 1)

Thompson, Theophilus Augustus

Chess Problems by Theophilus A. Thompson, 1873

5K2/2BB4/n7/3k4/4N3/2p5/2P2Q2/8

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Bc6#
  • Tries
    • 1.Bb6?
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Kxe4
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Sc5!
    • 1.Qc5+?
      • 1...Kxe4
        • 2.Bc6#
      • 1...Sxc5!
  • Keys
    • 1.Be6+!
      • 1...Kxe4
        • 2.Qf4#
      • 1...Kc6
        • 2.Qb6#
      • 1...Kxe6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XS(C)::B(E)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • K(b);S_FLIGHT,XS(C)::QAB1(B)
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • S(c);
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(C)::B(E)
      • Refutation
        • S(c);XQ(B)
  • Actual
    • B(E);CHECK
    • Vars
      • K(b);S_FLIGHT,XS(C)::QAR1(B)
      • K(b);S_FLIGHT::QAR1(B)
      • K(b);S_FLIGHT,XB(E)::QAB1(B)
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