MESON Chess Problem Database

Problem Display
PID: 184816 (B7/2K1N3/4pp2/8/1N3k2/8/1n6/6Q1 w - - 0 1)

Jewetsky, Feodor Orestovich

125 Shakhmaty Zadachi (Eventski), 1908

B7/2K1N3/4pp2/8/1N3k2/8/1n6/6Q1

#2

5 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe3#
    • 1...Sd1
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
    • 1...Sa4
      • 2.Sd3#
    • 1...Sc4
      • 2.Sd3#
    • 1...f5
      • 2.Sg6#
  • Tries
    • 1.Kd7?
      • 1...Ke5
        • 2.Qe3#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sa4
        • 2.Sd3#
      • 1...Sc4
        • 2.Sd3#
      • 1...f5
        • 2.Sg6#
      • 1...e5!
    • 1.Bc6?
      • 1...Ke5
        • 2.Qe3#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sa4
        • 2.Sd3#
      • 1...Sc4
        • 2.Sd3#
      • 1...f5
        • 2.Sg6#
      • 1...e5!
    • 1.Bb7?
      • 1...Ke5
        • 2.Qe3#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sa4
        • 2.Sd3#
      • 1...Sc4
        • 2.Sd3#
      • 1...f5
        • 2.Sg6#
      • 1...e5!
  • Keys
    • 1.Bh1!
      • 1...Ke5
        • 2.Qe3#
      • 1...e5
        • 2.Sbd5#
      • 1...Sd1
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sa4
        • 2.Sd3#
      • 1...Sc4
        • 2.Sd3#
      • 1...f5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(A)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • P(d);SBLOCK::S(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
        • S(a);N_GUARD::S(B)
        • S(a);N_GUARD::S(B),XS(a)
        • P(d);SBLOCK::S(D)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
        • S(a);N_GUARD::S(B)
        • S(a);N_GUARD::S(B),XS(a)
        • P(d);SBLOCK::S(D)
      • Refutation
        • P(c);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
        • S(a);N_GUARD::S(B)
        • S(a);N_GUARD::S(B),XS(a)
        • P(d);SBLOCK::S(D)
      • Refutation
        • P(c);
  • Actual
    • B(E);
    • Vars
      • K(b);S_FLIGHT::QAR2(A)
      • P(c);N_GUARD,SBLOCK::S(B)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • P(d);SBLOCK::S(D)
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