MESON Chess Problem Database

Problem Display
PID: 121280 (1B5Q/3nkP2/6P1/2P5/5K2/8/8/8 w - - 0 1)

Palkoska, Emil

Centurini Ty. (L'Italia Scacchistica), 1921

1B5Q/3nkP2/6P1/2P5/5K2/8/8/8

#2

6 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kd8
        • 2.Qe8#
      • 1...Kf8
        • 2.Bd6#
      • 1...Sxe5!
    • 1.f8Q+?
      • 1...Ke6
        • 2.Qd6#
        • 2.Qf7#
        • 2.Qhg8#
      • 1...Sxf8!
  • Keys
    • 1.Qd4!
      • 1...Ke6
        • 2.Qd6#
      • 1...Kd8
        • 2.f8Q#
      • 1...Kf8
        • 2.Bd6#
      • 1...Sxc5
        • 2.Qd6#
      • 1...Sxb8
        • 2.Qd6#
      • 1...Se5
        • 2.Qd6#
      • 1...Sb6
        • 2.Qd6#
      • 1...Sf6
        • 2.Qd6#
      • 1...Sf8
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(F)
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • S(a);XQ(F)
    • Try
      • P(D);CHECK
      • Refutation
        • S(a);XQ(D)
  • Actual
    • Q(F);
    • Vars
      • K(b);P-FLIGHT::QAR1(F)
      • K(b);P_SPINS(a),S_FLIGHT::P=Q
      • K(b);S_FLIGHT::B(E)
      • S(a);XP(B)::QAB1(F)
      • S(a);XB(E)::QAB1(F)
      • S(a);::QAB1(F)
      • S(a);SBLOCK::QAB1(F)
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