MESON Chess Problem Database

Problem Display
PID: 121342 (5K2/2Q5/1p6/3k1B2/3P4/2p1p3/8/8 w - - 0 1)

Montvid, ES

Shakhmatnoe obozrenie, 1903

5K2/2Q5/1p6/3k1B2/3P4/2p1p3/8/8

#2

4 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Qd8+?
      • 1...Kc6
        • 2.Qd7#
      • 1...Kc4!
    • 1.Qf7+?
      • 1...Kc6
        • 2.Qd7#
      • 1...Kd6
        • 2.Qd7#
      • 1...Kxd4!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qd7#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Ke6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • K(c);P-FLIGHT,XP(A)
  • Actual
    • B(B);
    • Threat
      • QAR2(C)
    • Vars
      • K(c);P-FLIGHT,XP(A)::QAR2(C)
      • K(c);S_FLIGHT::QAR2(C)
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