MESON Chess Problem Database

Problem Display
PID: 213687 (8/2n1pN1p/2Q2p2/3P3K/4Bk2/2b2P2/5B2/8 w - - 0 1)

Miro, Francois

Suomen Shakki, 1958

8/2n1pN1p/2Q2p2/3P3K/4Bk2/2b2P2/5B2/8

#2

7 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qc1#
    • 1...Be5
      • 2.Qc1#
    • 1...f5
      • 2.Qh6#
    • 1...e5
      • 2.Qxf6#
  • Tries
    • 1.Qe6?
      • threat
        • 2.Qg4#
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
        • 2.Qh6#
      • 1...Sxe6!
    • 1.Qxc7+?
      • 1...Be5
        • 2.Qc1#
      • 1...e5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sd3#
      • 1...Kxe5
        • 2.Qxc7#
      • 1...Bxe5
        • 2.Qc1#
      • 1...fxe5
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(a);OGATE::QAB(F)
    • P(c);OGATE::QAB(F)
    • P(e);N_GUARD,S_CUTB(a)::QAR2(F),XP(c)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Refutation
        • S(d);XQ(F)
    • Try
      • Q(F);CHECK,XS(d)
      • Vars
        • B(a);OGATE,P_SPINB(a)::QAB(F)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(G)::QAB(F),XS(d)
      • B(a);OGATE,SBLOCK,XS(G)::QAB(F)
      • P(c);OGATE,SBLOCK,XS(G)::QAB(F)
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