MESON Chess Problem Database

Problem Display
PID: 169622 (5N2/4Bp2/4N3/4k3/8/5Q2/1K6/8 w - - 0 1)

Schroder, Jochen C

Heilbronner Stimme, 2005

5N2/4Bp2/4N3/4k3/8/5Q2/1K6/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...f5!
    • 1.Sg5?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...f5!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kd5!
  • Keys
    • 1.Qd3!
      • 1...fxe6
        • 2.Sg6#
      • 1...f5
        • 2.Qd4#
      • 1...f6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • P(b);
    • Try
      • S(C);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • P(b);N_GUARD,SBLOCK,XS(C)::S(E)
      • P(b);SBLOCK::QAB1(B)
      • P(b);SBLOCK::B(D)
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