MESON Chess Problem Database

Problem Display
PID: 63362 (1N4n1/5B2/5p2/5k2/3Q4/6Rn/2KbPr2/8 w - - 0 1)

Witt, Andreas

Die Schwalbe, 2005

1N4n1/5B2/5p2/5k2/3Q4/6Rn/2KbPr2/8

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Qd5#
    • 1...Sf4
      • 2.e4#
  • Tries
    • 1.Sd7?
      • threat
        • 2.Qg4#
      • 1...Rf4
        • 2.Qd5#
      • 1...Bf4
        • 2.Qd3#
      • 1...Sf4
        • 2.e4#
      • 1...Sh6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qg4#
      • 1...Rf4
        • 2.Qd5#
      • 1...Bf4
        • 2.Qd3#
      • 1...Sf4
        • 2.e4#
      • 1...Sh6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR2(D)
    • S(c);SBLOCK::P(B)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAB1(D)
      • Vars
        • R(b);SBLOCK::QAR2(D)
        • B(a);P_PINP(B),SBLOCK::QAB(D)
        • S(c);SBLOCK::P(B)
      • Refutation
        • S(f);
  • Actual
    • S(F);
    • Threat
      • QAB1(D)
    • Vars
      • R(b);SBLOCK::QAR2(D)
      • B(a);P_PINP(B),SBLOCK::QAB(D)
      • S(c);SBLOCK::P(B)
      • S(f);N_GUARD::S(F)
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