MESON Chess Problem Database

Problem Display
PID: 187701 (8/B2p1p2/3P1P2/1p2kP2/1Qp1N2P/4N1p1/1P4B1/4K3 w - - 0 1)

van Dijk, Johannes

Tagliche Rundschau, 1909

8/B2p1p2/3P1P2/1p2kP2/1Qp1N2P/4N1p1/1P4B1/4K3

#2

11 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • 1...Kxf6
        • 2.Bd4#
        • 2.Qc3#
      • 1...c3
        • 2.Qd4#
      • 1...Kf4!
    • 1.Sf2?
      • 1...Kf4
        • 2.Sd3#
      • 1...Kxf6
        • 2.Bd4#
        • 2.Qc3#
      • 1...c3
        • 2.Sfg4#
        • 2.Qd4#
      • 1...gxf2+!
    • 1.Sc3?
      • 1...Kxf6
        • 2.Bd4#
      • 1...Kf4!
    • 1.Sxg3?
      • 1...Kxf6
        • 2.Bd4#
        • 2.Qc3#
      • 1...c3
        • 2.Sg4#
        • 2.Qd4#
      • 1...Kf4!
    • 1.Sg5?
      • 1...Kxf6
        • 2.Bd4#
        • 2.Qc3#
      • 1...c3
        • 2.Qd4#
      • 1...Kf4!
    • 1.Bd4+?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4!
  • Keys
    • 1.Sc5!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kxd6
        • 2.Bb8#
      • 1...Kxf6
        • 2.Qc3#
      • 1...c3
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • P(b);OGATE::QAB1(E)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::S(F)
      • Refutation
        • P(a);CHECK,XS(F)
    • Try
      • S(F);
      • Vars
        • K(d);S_FLIGHT,XP(J)::B(K)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
    • Try
      • S(F);XP(a)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
    • Try
      • S(F);
      • Vars
        • P(b);OGATE::QAB1(E)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
    • Try
      • B(K);CHECK
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT,XB(K)::QAB1(E)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT::QAB1(E)
      • K(d);P_SPINP(b),S_FLIGHT::S(F)
      • K(d);OGATEB,S_FLIGHT,XP(I)::B(K)
      • K(d);S_FLIGHT,XP(J)::QAB(E)
      • P(b);::S(F),XP(e)
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