MESON Chess Problem Database

Problem Display
PID: 184838 (8/1Q2K3/2NP4/2p5/2p1kp1P/7P/2P2PP1/1B6 w - - 0 1)

Jewetsky, Feodor Orestovich

125 Shakhmaty Zadachi (Eventski), 1908

8/1Q2K3/2NP4/2p5/2p1kp1P/7P/2P2PP1/1B6

#2

10 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.c3#
  • Tries
    • 1.Ke6?
      • threat
        • 2.Qh7#
        • 2.c3#
      • 1...c3
        • 2.Qh7#
      • 1...f3!
  • Keys
    • 1.Qb3!
      • 1...Kd5
        • 2.Qf3#
      • 1...Kf5
        • 2.c3#
      • 1...cxb3
        • 2.c4#
      • 1...f3
        • 2.Qxf3#
      • 1...c3
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(A)+P(B)
  • Tries
    • Try
      • K(J);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAB(I)
      • Refutation
        • P(c);
  • Actual
    • Q(I);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::QAB(I)
      • K(b);S_FLIGHT::B(A)+P(B)
      • P(a);OGATE,XQ(I)::B(A)+P(B)
      • P(c);::QAB1(I),XP(c)
      • P(a);OGATE::QAR2(I)
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