MESON Chess Problem Database

Problem Display
PID: 106172 (4B1KQ/1p2k2N/1P2p3/2Pp1p2/3P1P2/8/1n6/8 w - - 0 1)

de Assis, M

Ilustracao Brasileira, 1876

4B1KQ/1p2k2N/1P2p3/2Pp1p2/3P1P2/8/1n6/8

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • threat
        • 2.Qf6#
      • 1...Kd8
        • 2.Kf7#
      • 1...Sxa4!
    • 1.Bc6?
      • threat
        • 2.Qf6#
      • 1...Kd8
        • 2.Kf7#
      • 1...bxc6!
    • 1.Qg7+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kxe8!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Qf6#
      • 1...Kd8
        • 2.Kf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB1(H)
      • Vars
        • K(f);S_FLIGHT::QAR(H)+K(G)
      • Refutation
        • S(a);XB(F)
    • Try
      • B(F);
      • Threat
        • QAB1(H)
      • Vars
        • K(f);S_FLIGHT::QAR(H)+K(G)
      • Refutation
        • P(e);XB(F)
    • Try
      • Q(H);CHECK
      • Vars
        • K(f);OGATE,S_FLIGHT::QAR1(H)
      • Refutation
        • K(f);P-FLIGHT,XB(F)
  • Actual
    • B(F);
    • Threat
      • QAB1(H)
    • Vars
      • K(f);S_FLIGHT::QAR(H)+K(G)
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