MESON Chess Problem Database

Problem Display
PID: 255087 (2Q3bb/1r6/n2PPP1R/4Nkp1/3B4/4RpK1/r2p4/8 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

Schach-Aktiv, 1995

2Q3bb/1r6/n2PPP1R/4Nkp1/3B4/4RpK1/r2p4/8

#2

9 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf7
      • 2.exf7#
      • 2.e7#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...Ra5
        • 2.Qc2#
      • 1...Rb5!
    • 1.Sg4?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...Ra5
        • 2.Qc2#
      • 1...Rb5!
    • 1.Sc6?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...Rb5
        • 2.Se7#
      • 1...Ra5!
    • 1.Sd7?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...Ra5
        • 2.Qc2#
      • 1...Rb5!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...Rb5
        • 2.e7#
      • 1...Ra5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);XP(c)
      • Threat
        • R1(A)
      • Vars
        • B(i);OGATE,XP(G)::R1(H),XB(i)
        • R(a);N_GUARD::QAB(I)
      • Refutation
        • R(g);
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • B(i);OGATE,XP(G)::R1(H),XB(i)
        • R(a);N_GUARD::QAB(I)
      • Refutation
        • R(g);
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • B(i);OGATE,XP(G)::R1(H),XB(i)
        • R(g);N_GUARD::S(D)
      • Refutation
        • R(a);
    • Try
      • S(D);
      • Threat
        • R1(A)
      • Vars
        • B(i);OGATE,XP(G)::R1(H),XB(i)
        • R(a);N_GUARD::QAB(I)
      • Refutation
        • R(g);
  • Actual
    • S(D);
    • Threat
      • R1(A)
    • Vars
      • B(i);OGATE,XP(G)::R1(H),XB(i)
      • R(g);N_GUARD::QAB(I)+P(F)
      • R(a);N_GUARD::QAB(I)
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