MESON Chess Problem Database

Problem Display
PID: 277107 (2R2NbK/5k2/R1Np1P1p/1rb2P2/B7/8/8/B7 w - - 0 1)

Paslack, Rainer

The Problemist, 2023

2R2NbK/5k2/R1Np1P1p/1rb2P2/B7/8/8/B7

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Se5#
  • Tries
    • 1.Se6?
      • threat
        • 2.Rf8#
      • 1...Rb8
        • 2.Scd8#
      • 1...d5!
    • 1.Sd7?
      • threat
        • 2.Rf8#
      • 1...d5
        • 2.Sce5#
      • 1...Rb8!
    • 1.Sh7?
      • threat
        • 2.Rf8#
      • 1...Rb8
        • 2.Sd8#
      • 1...d5
        • 2.Se5#
      • 1...Bxh7!
    • 1.Bb3+?
      • 1...d5
        • 2.Se5#
        • 2.Bxd5#
      • 1...Rxb3!
    • 1.Ra7+?
      • 1...Rb7
        • 2.Rxb7#
      • 1...Bxa7!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Rf8#
      • 1...Rb8
        • 2.Sd8#
      • 1...d5
        • 2.Sce5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::S(E)
  • Tries
    • Try
      • S(H);
      • Threat
        • R1(G)
      • Vars
        • R(a);::S(E)
      • Refutation
        • P(c);
    • Try
      • S(H);
      • Threat
        • R1(G)
      • Vars
        • P(c);N_GUARD::S(E)
      • Refutation
        • R(a);
    • Try
      • S(H);
      • Threat
        • R1(G)
      • Vars
        • R(a);::S(E)
        • P(c);N_GUARD::S(E)
      • Refutation
        • B(f);XS(H)
    • Try
      • B(B);CHECK
      • Refutation
        • R(a);XB(B)
    • Try
      • R(D);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::R(D),XR(a)
      • Refutation
        • B(b);XR(D)
  • Actual
    • S(H);
    • Threat
      • R1(G)
    • Vars
      • R(a);::S(E)
      • P(c);N_GUARD::S(E)
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