MESON Chess Problem Database

Problem Display
PID: 51650 (2Q2n2/6R1/1p2rp1B/1Rr2k1P/3P4/3N1P2/4B3/3NKn2 w - - 0 1)

Baudoin, Jean-Francois

Fulpius, Jaques

The Problemist Supplement, 2003

2Q2n2/6R1/1p2rp1B/1Rr2k1P/3P4/3N1P2/4B3/3NKn2

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rxd5#
    • 1...Sd2
      • 2.Se3#
    • 1...Sh2
      • 2.Se3#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sg3
      • 2.Se3#
  • Tries
    • 1.Sxc5?
      • threat
        • 2.Sb3#
        • 2.Sd3#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sxe6#
        • 2.Sb7#
      • 1...bxc5
        • 2.Rxc5#
      • 1...Se3
        • 2.Sxe3#
        • 2.Bd3#
      • 1...Sg6
        • 2.Qxe6#
      • 1...Sd7!
  • Keys
    • 1.Se5!
      • threat
        • 2.Bd3#
      • 1...Rxe5
        • 2.Qc2#
      • 1...fxe5
        • 2.Rf7#
      • 1...Rc3
        • 2.Sc4#
      • 1...Sd2
        • 2.Se3#
      • 1...Sg3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(b);OGATE::R(G),XR(b)
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD,N_PINB(C)::S(A),XS(a)
  • Tries
    • Try
      • S(D);P_PINR(e),XR(b)
      • Threat
        • DUALS(7)
      • Vars
        • P(d);OGATE,P_SPINP(d),XS(D)::R(G),XP(d)
        • S(g);N_GUARD::QAB1(K),XR(e)
      • Refutation
        • S(g);N_SPINR(e)
  • Actual
    • S(D);N_PINR(b),N_SPINB(C),P_PINR(e)
    • Threat
      • B(C)
    • Vars
      • R(b);N_SPINR(e),OGATE,P_PINB(C),P_SPINR(b),XS(D)::QAB(K)
      • P(f);OGATEB,XS(D)::R(J)
      • R(b);::R(G)+S(D)
      • S(a);N_GUARD::S(A)
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