MESON Chess Problem Database

Problem Display
PID: 181953 (4R2B/3p2rq/Q1b1N1p1/2pk2pr/2N2P2/1p3P2/4K1RP/8 w - - 0 1)

Stojnic, Dragan

19/22 Place, 10. WCCT, 2016-2017

4R2B/3p2rq/Q1b1N1p1/2pk2pr/2N2P2/1p3P2/4K1RP/8

#2

10 + 10

16140 10. WCCT Award 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Rxg5#
    • 1...Rh4
      • 2.Rxg5#
    • 1...Rh6
      • 2.Rxg5#
    • 1...Rf7
      • 2.Sc7#
    • 1...Rg8
      • 2.Sc7#
    • 1...Ba4
      • 2.Se3#
    • 1...Bb7
      • 2.Se3#
    • 1...Ba8
      • 2.Se3#
    • 1...d6
      • 2.Se3#
      • 2.Sb6#
  • Tries
    • 1.Ke1?
      • threat
        • 2.Rd2#
      • 1...Rxh2
        • 2.Rxg5#
      • 1...Bb5
        • 2.Se3#
      • 1...Re7!
    • 1.Kf1?
      • threat
        • 2.Rd2#
      • 1...Rxh2
        • 2.Rxg5#
      • 1...Re7
        • 2.Sc7#
      • 1...Bb5!
    • 1.Kd3?
      • threat
        • 2.Sc7#
      • 1...d6
        • 2.Se3#
        • 2.Sb6#
      • 1...dxe6!
  • Keys
    • 1.Kd1!
      • threat
        • 2.Rd2#
      • 1...Rxh2
        • 2.Rxg5#
      • 1...Re7
        • 2.Sc7#
      • 1...Bb5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(e);N_GUARD::R(B),XP(d)
    • R(i);::S(H)
    • B(f);::S(E)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • R(B)
      • Vars
        • R(e);N_GUARD,XP(C)::R(B),XP(d)
        • B(f);::S(E)
      • Refutation
        • R(i);P_PINS(H)
    • Try
      • K(A);S_FLIGHT
      • Threat
        • R(B)
      • Vars
        • R(e);N_GUARD,XP(C)::R(B),XP(d)
        • R(i);::S(H)
      • Refutation
        • B(f);P_PINS(E)
    • Try
      • K(A);S_FLIGHT
      • Threat
        • S(H)
      • Refutation
        • P(h);XS(H)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • R(B)
    • Vars
      • R(e);N_GUARD,XP(C)::R(B),XP(d)
      • R(i);::S(H)
      • B(f);::S(E)
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