MESON Chess Problem Database

Problem Display
PID: 235380 (2br4/2p2R1p/1R2P1p1/1r2kNPp/1P1np3/8/B2Q2K1/8 w - - 0 1)

Paslack, Rainer

Schach-Aktiv, 2006

2br4/2p2R1p/1R2P1p1/1r2kNPp/1P1np3/8/B2Q2K1/8

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qxe3#
  • Tries
    • 1.Se7?
      • threat
        • 2.Qf4#
      • 1...Sxe6
        • 2.Sc6#
      • 1...e3
        • 2.Qxe3#
      • 1...Sc2
        • 2.Sc6#
      • 1...Se2
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sf5
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sb3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qf4#
      • 1...Sxe6
        • 2.Sc4#
      • 1...Rd5
        • 2.Sc4#
      • 1...Sb3
        • 2.Sc4#
      • 1...Sc2
        • 2.Sc4#
      • 1...Se2
        • 2.Sc4#
      • 1...Sf3
        • 2.Sc4#
      • 1...Sf5
        • 2.Sc4#
      • 1...Sc6
        • 2.Rxb5#
      • 1...e3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAR2(B),XP(b)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(B)
      • Vars
        • S(a);N_GUARD,XP(H)::S(E)
        • P(b);OGATEB::QAR2(B),XP(b)
        • S(a);N_GUARD::S(E)
        • S(a);N_GUARD::S(E),XS(a)
      • Refutation
        • S(a);
  • Actual
    • S(E);
    • Threat
      • QAB1(B)
    • Vars
      • S(a);XP(H)::S(E)
      • R(c);SBLOCK::S(E)
      • S(a);::S(E)
      • S(a);N_GUARD,S_CUTP(g)::R(G),XR(c)
      • P(b);OGATEB::QAR2(B),XP(b)
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