MESON Chess Problem Database

Problem Display
PID: 95733 (8/8/3P1B2/p1k5/P3BP2/1P6/1K3N2/7Q w - - 0 1)

Paizis, Constantinos

L'Italia Scacchistica, 1998

8/8/3P1B2/p1k5/P3BP2/1P6/1K3N2/7Q

#2

9 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Sd3#
  • Tries
    • 1.Ba8?
      • 1...Kb4
        • 2.Sd3#
      • 1...Kxd6
        • 2.Qc6#
      • 1...Kb6!
    • 1.Be5?
      • 1...Kb4
        • 2.Sd3#
      • 1...Kb6!
    • 1.Bd8?
      • 1...Kb4
        • 2.Sd3#
      • 1...Kd4
        • 2.Bb6#
      • 1...Kxd6!
    • 1.Qc1+?
      • 1...Kb4
        • 2.Sd3#
        • 2.Qc3#
        • 2.Qc4#
      • 1...Kxd6
        • 2.Qc6#
      • 1...Kb6!
    • 1.Qd1?
      • threat
        • 2.Qd4#
      • 1...Kb4
        • 2.Sd3#
        • 2.Qd4#
      • 1...Kb6!
    • 1.Qf1?
      • 1...Kb4
        • 2.Sd3#
        • 2.Qc4#
        • 2.Qb5#
      • 1...Kb6
        • 2.Bd4#
      • 1...Kxd6!
    • 1.Qh7?
      • 1...Kb4
        • 2.Sd3#
      • 1...Kxd6
        • 2.Qe7#
      • 1...Kb6!
  • Keys
    • 1.Bb7!
      • 1...Kb4
        • 2.Sd3#
      • 1...Kb6
        • 2.Bd4#
      • 1...Kxd6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(C)
  • Tries
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::S(C)
        • K(b);S_FLIGHT,XP(H)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(b);S_FLIGHT::S(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(b);S_FLIGHT::S(C)
        • K(b);S_FLIGHT::B(I)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT,XP(H)::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::B(I)
      • Refutation
        • K(b);S_FLIGHT,XP(H)
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::S(C)
        • K(b);OGATEB,S_FLIGHT,XP(H)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(b);S_FLIGHT::S(C)
      • K(b);S_FLIGHT::B(I)
      • K(b);S_FLIGHT,XP(H)::QAR1(A)
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