MESON Chess Problem Database

Problem Display
PID: 138632 (4R3/K2p4/BQ1PN3/8/5B1N/3P4/3pkPp1/3nbqr1 w - - 0 1)

Palatz, Franz Ferdinand Ludwig

Source?, 0000

4R3/K2p4/BQ1PN3/8/5B1N/3P4/3pkPp1/3nbqr1

#2

10 + 8

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.d4#
    • 1...Bxf2
      • 2.Sd4#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qf3#
      • 1...Qxf2+
        • 2.d4#
      • 1...Bxf2+
        • 2.Sd4#
      • 1...Kxf2
        • 2.Qf3#
      • 1...dxc6!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qf3#
      • 1...Qxf2+
        • 2.d4#
      • 1...Bxf2+
        • 2.Sd4#
      • 1...Kxf2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(c);P_PINQ(F),SBLOCK,XP(A)::B(E)+P(B)
    • B(b);P_PINQ(F),SBLOCK,XP(A)::R(J)+S(H),DCHECK
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • Q(c);CHECK,SBLOCK,XP(A)::B(E)+P(B)
        • B(b);CHECK,SBLOCK,XP(A)::R(J)+S(H),DCHECK
        • K(f);P-FLIGHT,XP(A)::QAR1(F)
      • Refutation
        • P(h);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • Q(c);CHECK,SBLOCK,XP(A)::B(E)+P(B)
      • B(b);CHECK,SBLOCK,XP(A)::R(J)+S(H),DCHECK
      • K(f);P-FLIGHT,XP(A)::QAR1(F)
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