MESON Chess Problem Database

Problem Display
PID: 233761 (6K1/2p1N3/2p2N2/2p5/2kn2Q1/8/1RPP4/2R5 w - - 0 1)

Richter, Frank

Freie Presse, 2010

6K1/2p1N3/2p2N2/2p5/2kn2Q1/8/1RPP4/2R5

#2

8 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • 1...Sxc2
        • 2.Rcxc2#
      • 1...Se2
        • 2.Qd3#
      • 1...Sf3
        • 2.Qd3#
      • 1...Sb5
        • 2.Qd3#
      • 1...Sf5
        • 2.Qd3#
      • 1...Se6
        • 2.Qd3#
      • 1...Sb3!
  • Keys
    • 1.Se4!
      • threat
        • 2.d3#
      • 1...Sxc2
        • 2.Sf2#
      • 1...Se2
        • 2.Sd6#
      • 1...Sb3
        • 2.Sd6#
      • 1...Sf3
        • 2.Sd6#
      • 1...Sb5
        • 2.Sd6#
      • 1...Sf5
        • 2.Sd6#
      • 1...Se6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);N_PINS(b)
      • Vars
        • S(b);OGATE,P_SPINS(b),XP(C)::R(A),XS(b)
        • S(b);OGATE::QAB1(E)
      • Refutation
        • S(b);
  • Actual
    • S(F);N_PINS(b)
    • Threat
      • P(D)
    • Vars
      • S(b);P_SPINS(b),XP(C)::QAR(E)+S(F)
      • S(b);::QAR(E)+S(F),DCHECK
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