MESON Chess Problem Database

Problem Display
PID: 96755 (8/8/8/2B4p/6NQ/3KNpp1/6p1/6k1 w - - 0 1)

Tritten, Pierre

Problemesis, 2004

8/8/8/2B4p/6NQ/3KNpp1/6p1/6k1

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • 1...f2
        • 2.Sf3#
      • 1...Kf2!
    • 1.Qxg3?
      • threat
        • 2.Qe1#
        • 2.Qh2#
      • 1...Kh1
        • 2.Qh2#
      • 1...f2
        • 2.Qh2#
        • 2.Qxg2#
      • 1...hxg4!
  • Keys
    • 1.Sh2!
      • 1...Kh1
        • 2.Sxf3#
      • 1...Kf2
        • 2.Sc2#
      • 1...gxh2
        • 2.Qe1#
      • 1...f2
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • P(c);SBLOCK::S(C)
      • Refutation
        • K(a);P_SPINP(d),S_FLIGHT
    • Try
      • Q(D);P_PINP(b),XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(D)
      • Refutation
        • P(e);XS(C)
  • Actual
    • S(C);
    • Vars
      • K(a);P-FLIGHT::QAR(D)+S(C),XP(c)
      • K(a);P_SPINP(d),S_FLIGHT::B(E)+S(B)
      • P(d);OGATE,SBLOCK,XS(C)::QAR2(D)
      • P(c);SBLOCK::S(C)
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