MESON Chess Problem Database

Problem Display
PID: 195878 (8/4QK2/3p1nN1/2Pr2R1/3kP3/1P6/p1PPPP1p/1B1R2B1 w - - 0 1)

Caillaud, Michel

1st Prize, Nunspeet, 2017

8/4QK2/3p1nN1/2Pr2R1/3kP3/1P6/p1PPPP1p/1B1R2B1

#2

14 + 6

145 StrateGems 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.e3#
    • 1...Sg4
      • 2.Rxd5#
    • 1...Sh5
      • 2.Rxd5#
    • 1...Sd7
      • 2.Rxd5#
    • 1...Sh7
      • 2.Rxd5#
    • 1...Se8
      • 2.Rxd5#
    • 1...Sg8
      • 2.Rxd5#
    • 1...h1B
      • 2.f3#
      • 2.f4#
    • 1...dxc5
      • 2.c3#
      • 2.e3#
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb4#
      • 1...Kxe4
        • 2.f3#
      • 1...Kxc5
        • 2.d4#
      • 1...Rxc5
        • 2.e3#
      • 1...dxc5
        • 2.c3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(d);XP(J)::P(F)
    • S(f);N_GUARD::R1(K),XR(d)
  • Actual
    • Q(M);
    • Threat
      • QAR2(M)
    • Vars
      • K(c);P-FLIGHT,P_SPINR(d),XP(I)::P(G)
      • K(c);OGATE,P_SPINR(d),S_FLIGHT,XP(J)::P(E)
      • R(d);XP(J)::P(F)
      • P(e);SBLOCK,XP(J)::P(D)
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