MESON Chess Problem Database

Problem Display
PID: 47181 (5n2/2Pp1bp1/2RNk1p1/6P1/8/1K1RNpP1/4Q3/8 w - - 0 1)

Michel, Francois

Themes-64, 1956

5n2/2Pp1bp1/2RNk1p1/6P1/8/1K1RNpP1/4Q3/8

#2

9 + 7

4872 Themes-64 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5+
      • 2.Sec4#
    • 1...Ke7+
      • 2.Sd5#
    • 1...f2
      • 2.Sd1#
      • 2.Sf1#
      • 2.Sc2#
      • 2.Sg2#
      • 2.Sec4#
      • 2.Sg4#
      • 2.Sd5#
      • 2.Sef5#
  • Tries
    • 1.Qxf3?
      • threat
        • 2.Qe4#
      • 1...Ke5+
        • 2.Sxf7#
      • 1...Ke7+
        • 2.Qxf7#
      • 1...dxc6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Re4#
      • 1...Ke5
        • 2.Sg4#
      • 1...Ke7
        • 2.Sef5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);CHECK,P-FLIGHT::QAR(A)+S(D),DCHECK
  • Tries
    • Try
      • Q(A);XP(a)
      • Threat
        • QAR2(A)
      • Vars
        • K(b);CHECK,P-FLIGHT::S(H),XB(e)
        • K(b);CHECK,P-FLIGHT::QAR1(A),XB(e)
      • Refutation
        • P(d);XR(G)
  • Actual
    • R(G);
    • Threat
      • R(G)
    • Vars
      • K(b);P-FLIGHT,P_PINR(G)::QAR(A)+S(D),DCHECK
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