MESON Chess Problem Database

Problem Display
PID: 162314 (bQ5K/8/2B2N1p/3P2pR/6p1/3r1kN1/4Rpp1/2B1r1bq w - - 0 1)

Janevski, Zivko

Tehtavaniekka, 2012

bQ5K/8/2B2N1p/3P2pR/6p1/3r1kN1/4Rpp1/2B1r1bq

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Qxb3#
    • 1...Rxd5
      • 2.Qb3#
  • Tries
    • 1.Sfe4?
      • threat
        • 2.Qf8#
      • 1...Rxd5
        • 2.Sd2#
      • 1...Qxh5!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Sfe4#
      • 1...Kxg3
        • 2.Se4#
      • 1...Qxh5
        • 2.Sfxh5#
      • 1...Rxd5
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(f);OGATEB::QAR(H),XR(f)
    • R(f);OGATEB,P_SPINR(f),XP(D)::QAR(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR(H)
      • Vars
        • R(f);N_GUARD,XP(D)::S(G)
      • Refutation
        • Q(c);XR(E)
  • Actual
    • Q(H);
    • Threat
      • QAR(H)+S(G)
    • Vars
      • K(g);P-FLIGHT,XS(C)::S(G)
      • Q(c);XR(E)::QAR(H)+S(G),XQ(c)
      • R(f);OGATEB,P_SPINR(f),XP(D)::QAR(H)
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