MESON Chess Problem Database

Problem Display
PID: 121417 (8/5K1Q/P3PP2/1p1kp3/1PbrN3/1p1p2P1/1P1P4/8 w - - 0 1)

Pradignat, Emile Leonard

La Strategie, 1914

8/5K1Q/P3PP2/1p1kp3/1PbrN3/1p1p2P1/1P1P4/8

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ke8?
      • 1...Kc6
        • 2.Qb7#
      • 1...Rxe4
        • 2.Qd7#
      • 1...Kxe6!
    • 1.Kf8?
      • 1...Kc6
        • 2.Qb7#
      • 1...Rxe4
        • 2.Qd7#
      • 1...Kxe6!
    • 1.Kg8?
      • 1...Kc6
        • 2.Qb7#
      • 1...Rxe4
        • 2.Qd7#
      • 1...Kxe6!
  • Keys
    • 1.Kg6!
      • 1...Kxe4
        • 2.Qh1#
      • 1...Kc6
        • 2.Qb7#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Rxe4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Vars
        • K(f);S_FLIGHT::QAB1(J)
        • R(d);SBLOCK,XS(E)::QAR2(J)
      • Refutation
        • K(f);S_FLIGHT,XP(G)
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(f);S_FLIGHT::QAB1(J)
        • R(d);SBLOCK,XS(E)::QAR2(J)
      • Refutation
        • K(f);S_FLIGHT,XP(G)
    • Try
      • K(I);S_FLIGHT
      • Vars
        • K(f);P_PINP(G),S_FLIGHT::QAB1(J)
        • R(d);SBLOCK,XS(E)::QAR2(J)
      • Refutation
        • K(f);S_FLIGHT,XP(G)
  • Actual
    • K(I);S_FLIGHT
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(E)::QAB(J)
      • K(f);S_FLIGHT::QAB1(J)
      • K(f);OGATEB,S_FLIGHT,XP(G)::QAB1(J)
      • R(d);SBLOCK,XS(E)::QAR2(J)
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