MESON Chess Problem Database

Problem Display
PID: 118554 (2N3nK/1p6/b1p5/Pnk1N3/Pp6/1Pb1P3/7B/2RR4 w - - 0 1)

Servais, Albert

Democratie Nouvelle, 1953

2N3nK/1p6/b1p5/Pnk1N3/Pp6/1Pb1P3/7B/2RR4

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc3+?
      • 1...Sxc3
        • 2.Sd7#
      • 1...bxc3!
    • 1.Rd4?
      • threat
        • 2.Sd3#
        • 2.Sd7#
      • 1...Sa3
        • 2.Sd7#
      • 1...Sd6
        • 2.Sd7#
      • 1...Sa7
        • 2.Sd7#
      • 1...Sc7
        • 2.Sd7#
      • 1...Sf6
        • 2.Sd3#
      • 1...Sxd4!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sd7#
      • 1...Sd4
        • 2.Sed7#
      • 1...Sf6
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK,N_SPINS(H),XB(a)
      • Vars
        • S(c);XR(A)::S(H)
      • Refutation
        • P(b);XR(A)
    • Try
      • R(B);N_SPINS(H)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::S(H)
        • S(h);::S(H)
      • Refutation
        • S(c);XR(B)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • S(c);N_PINS(H)::S(H)
      • S(h);N_PINS(H)::S(H)
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