MESON Chess Problem Database

Problem Display
PID: 123433 (2NR1r2/2p2p1Q/2p2P2/2k2N2/P1p2p2/P1p2r2/2P2p2/3R1K2 w - - 0 1)

Skrzek, Janusz

Szachista, 1999-2002

2NR1r2/2p2p1Q/2p2P2/2k2N2/P1p2p2/P1p2r2/2P2p2/3R1K2

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sfd6?
      • threat
        • 2.Se4#
        • 2.Sb7#
        • 2.Qf5#
        • 2.Qh5#
      • 1...Rd3
        • 2.Se4#
        • 2.Sb7#
      • 1...Re3
        • 2.Sb7#
      • 1...Rg3
        • 2.Se4#
        • 2.Sb7#
        • 2.Qf5#
      • 1...Rh3
        • 2.Se4#
        • 2.Sb7#
        • 2.Qf5#
      • 1...Re8
        • 2.Sb7#
      • 1...Rg8
        • 2.Se4#
        • 2.Sb7#
        • 2.Qf5#
      • 1...Rh8
        • 2.Se4#
        • 2.Sb7#
        • 2.Qf5#
      • 1...cxd6!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Se3#
        • 2.Sg3#
        • 2.Sd4#
        • 2.Sh4#
        • 2.Sfd6#
        • 2.Sh6#
        • 2.Sfe7#
        • 2.Sg7#
      • 1...Rxd8
        • 2.Sfd6#
      • 1...Re3
        • 2.Sxe3#
      • 1...Rd3
        • 2.Sd4#
      • 1...Rg3
        • 2.Sxg3#
      • 1...Rh3
        • 2.Sh4#
      • 1...Re8
        • 2.Sfe7#
      • 1...Rg8
        • 2.Sg7#
      • 1...Rh8
        • 2.Sh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(4)
      • Vars
        • R(c);::S(F)
        • R(j);::S(F)
      • Refutation
        • P(h);XS(F)
  • Actual
    • Q(H);
    • Threat
      • DUALS(8)
    • Vars
      • R(j);XR(J)::QAR(H)+S(F)
      • R(c);::QAR(H)+S(F),XR(c)
      • R(c);::QAR(H)+S(F)
      • R(j);::QAR(H)+S(F)
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