MESON Chess Problem Database

Problem Display
PID: 184843 (3K4/4P3/1p3Q2/bp6/1k6/1B3np1/3NR1q1/4B3 w - - 0 1)

Jewetsky, Feodor Orestovich

125 Shakhmaty Zadachi (Eventski), 1908

3K4/4P3/1p3Q2/bp6/1k6/1B3np1/3NR1q1/4B3

#2

7 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Se4#
  • Tries
    • 1.Sxf3+?
      • 1...Ka3
        • 2.Qb2#
      • 1...Kc5
        • 2.Re5#
      • 1...Kxb3!
    • 1.Qc3+?
      • 1...Ka3
        • 2.Sb1#
      • 1...Kxc3!
  • Keys
    • 1.Re3!
      • threat
        • 2.Qd6#
      • 1...Ka3
        • 2.Sb1#
      • 1...Kc5
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::S(B)
  • Tries
    • Try
      • S(B);CHECK,XS(b)
      • Vars
        • K(d);S_FLIGHT::QAB1(E)
        • K(d);S_FLIGHT::R(C)
      • Refutation
        • K(d);P-FLIGHT,XB(D)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);S_FLIGHT::S(B)
      • Refutation
        • K(d);S_FLIGHT,XQ(E)
  • Actual
    • R(C);
    • Threat
      • QAB(E)
    • Vars
      • K(d);S_FLIGHT::S(B)
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