MESON Chess Problem Database

Problem Display
PID: 276395 (bn3K2/B2pQP2/rqp1p3/1r4NR/1P1k1pp1/4N3/2BP2n1/8 w - - 0 1)

Tricon, Antoine

diagrammes, 1979

bn3K2/B2pQP2/rqp1p3/1r4NR/1P1k1pp1/4N3/2BP2n1/8

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sf3#
      • 2.Sxe6#
    • 1...Qc5
      • 2.Qd6#
    • 1...Rxb4
      • 2.Qd6#
    • 1...g3
      • 2.Sf3#
    • 1...d5
      • 2.Sxe6#
    • 1...d6
      • 2.Sxe6#
  • Tries
    • 1.Qxd7+?
      • 1...Ke5
        • 2.Sxg4#
        • 2.Se4#
        • 2.Sh7#
      • 1...Rd5
        • 2.Sxe6#
      • 1...Sxd7+!
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qe4#
      • 1...Qc5+
        • 2.Qd6#
      • 1...Rxb4
        • 2.Qd6#
      • 1...dxe6
        • 2.Sxe6#
      • 1...Re5
        • 2.Qc4#
      • 1...c5
        • 2.Sf5#
      • 1...d5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(g);P_PINQ(H),S_CUTR(e)::QAR2(H)
    • R(e);N_GUARD,XP(D)::QAR2(H)
    • P(d);N_GUARD::S(E)
    • P(j);N_GUARD::S(E),XP(i)
  • Tries
    • Try
      • Q(H);CHECK,XP(j)
      • Vars
        • R(e);P_SPINR(e)::S(E),XP(i)
      • Refutation
        • S(l);CHECK,XQ(H)
  • Actual
    • Q(H);XP(i)
    • Threat
      • QAR1(H)
    • Vars
      • Q(g);CHECK,S_CUTR(e)::QAR2(H)
      • R(e);N_GUARD,XP(D)::QAR2(H)
      • P(j);XQ(H)::S(E),XP(j)
      • R(e);SBLOCK::QAR1(H)
      • P(h);N_SPINQ(g),S_CUTR(e)::S(C)
      • P(j);S_CUTR(e)::QAB(H)
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