MESON Chess Problem Database

Problem Display
PID: 164971 (7B/5p2/8/2pP3R/2kP4/1R3Pp1/K3P1Qb/8 w - - 0 1)

Bakhvalovas, E

Sachmatija, 2008

7B/5p2/8/2pP3R/2kP4/1R3Pp1/K3P1Qb/8

#2

9 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.e3?
      • threat
        • 2.Qf1#
        • 2.Qc2#
        • 2.Qe2#
      • 1...cxd4
        • 2.Qc2#
      • 1...f5!
    • 1.e4?
      • threat
        • 2.Qf1#
        • 2.Qc2#
        • 2.Qe2#
      • 1...cxd4
        • 2.Qc2#
      • 1...f6!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qc1#
        • 2.e3#
        • 2.e4#
      • 1...cxd4
        • 2.Qc1#
      • 1...f5
        • 2.e4#
      • 1...f6
        • 2.e3#
      • 1...g2
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(d);XP(F)::QAR2(C)
      • Refutation
        • P(e);
    • Try
      • P(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(d);XP(F)::QAR2(C)
      • Refutation
        • P(e);
  • Actual
    • Q(C);
    • Threat
      • DUALS(3)
    • Vars
      • P(d);XP(F)::QAR(C)
      • P(e);::QAB(C)+P(B)
      • P(b);::QAR(C)
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