MESON Chess Problem Database

Problem Display
PID: 221469 (5B2/4R3/1P1r1n2/2PP4/RP1k1P2/N1N2Pn1/1KP1rP2/5B1q w - - 0 1)

Gavriliv, Evgeni M

SuperProblem, 2018

5B2/4R3/1P1r1n2/2PP4/RP1k1P2/N1N2Pn1/1KP1rP2/5B1q

#2

15 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sab5#
    • 1...Rxc2+
      • 2.Sxc2#
    • 1...Rd2
      • 2.Sab5#
    • 1...Rxf2
      • 2.Sab5#
    • 1...Re3
      • 2.Sab5#
      • 2.fxe3#
    • 1...Re4
      • 2.Sab5#
    • 1...Re5
      • 2.Sab5#
    • 1...Ree6
      • 2.Sab5#
    • 1...Rxe7
      • 2.Sab5#
    • 1...Rxd5
      • 2.Scb5#
    • 1...Sxd5
      • 2.Scb5#
  • Tries
    • 1.Rc7?
      • threat
        • 2.b5#
      • 1...Rxc2+
        • 2.Sxc2#
      • 1...Sxd5
        • 2.Scb5#
      • 1...Rxf2!
  • Keys
    • 1.Re5!
      • threat
        • 2.Scb5#
      • 1...Rxc2+
        • 2.Sxc2#
      • 1...Rxe5
        • 2.Sab5#
      • 1...Rxb6
        • 2.b5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(b);N_PINP(C)::S(E)
    • R(b);CHECK,XP(C)::S(E),XR(b)
    • R(b);::S(E)
    • R(b);XP(D)::S(E)
    • R(b);N_PINP(C),XR(N)::S(E)
    • R(e);SBLOCK,XP(L)::S(F)
    • S(f);SBLOCK,XP(L)::S(F)
  • Tries
    • Try
      • R(N);
      • Threat
        • R(H)+P(I)
      • Vars
        • R(b);CHECK,XP(C)::S(E),XR(b)
        • S(f);SBLOCK,XP(L)::S(F)
      • Refutation
        • R(b);XP(D)
  • Actual
    • R(N);
    • Threat
      • S(F)
    • Vars
      • R(b);CHECK,XP(C)::S(E),XR(b)
      • R(b);N_PINP(C),XR(N)::S(E)
      • R(e);XP(M)::R(H)+P(I)
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