MESON Chess Problem Database

Problem Display
PID: 136271 (8/8/4p3/4k1n1/3RnR2/8/1KN1P3/2Q3Bb w - - 0 1)

Rothwell, Stephen

Kieler Nachrichten, 1999

8/8/4p3/4k1n1/3RnR2/8/1KN1P3/2Q3Bb

#2

7 + 5

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Se1?
      • threat
        • 2.Sd3#
      • 1...Sf2
        • 2.Qc7#
      • 1...Sc5!
    • 1.Sa3?
      • threat
        • 2.Sc4#
      • 1...Sd2
        • 2.Qc7#
      • 1...Sd6!
    • 1.Sb4?
      • threat
        • 2.Sd3#
        • 2.Sc6#
      • 1...Sd2
        • 2.Sd3#
        • 2.Qc7#
      • 1...Sf2
        • 2.Qc7#
      • 1...Sc3
        • 2.Sd3#
      • 1...Sg3
        • 2.Sd3#
        • 2.Qc7#
      • 1...Sd6
        • 2.Sd3#
      • 1...Sf6
        • 2.Sd3#
        • 2.Qc7#
      • 1...Sc5!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sc4#
        • 2.Sg4#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kxf4
        • 2.Bh2#
      • 1...Bf3
        • 2.Sc4#
      • 1...Sd2
        • 2.Sg4#
        • 2.Qc7#
      • 1...Sf2
        • 2.Sc4#
        • 2.Qc7#
      • 1...Sd6
        • 2.Sg4#
      • 1...Sf6
        • 2.Sc4#
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(b);N_GUARD::QAB(A)
      • Refutation
        • S(b);
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(b);N_GUARD::QAB(A)
      • Refutation
        • S(b);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);N_GUARD::QAB(A)
        • S(b);::S(D)
      • Refutation
        • S(b);
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XR(F)::QAB1(A)
      • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XR(G)::B(B)
      • B(a);::S(D)
      • S(b);::S(D)
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