MESON Chess Problem Database

Problem Display
PID: 122955 (2B5/8/1N6/1r3p1Q/4kB2/1pP3P1/1P6/2n2K2 w - - 0 1)

Jewetzky, Orest

Deutsches Wochenschach, 1909

2B5/8/1N6/1r3p1Q/4kB2/1pP3P1/1P6/2n2K2

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Bxf5#
    • 1...Sa2
      • 2.Qe2#
    • 1...Se2
      • 2.Qxe2#
    • 1...Sd3
      • 2.Qe2#
      • 2.Qh1#
  • Tries
    • 1.Bxc1?
      • threat
        • 2.Qe2#
      • 1...Kd3
        • 2.Qe2#
      • 1...Rxb6
        • 2.Qxf5#
      • 1...Ke5!
    • 1.Bb7+?
      • 1...Kd3
        • 2.Qd1#
      • 1...Rd5!
  • Keys
    • 1.Ba6!
      • 1...Kd3
        • 2.Qxf5#
      • 1...Rxb6
        • 2.Qh1#
      • 1...Rb4
        • 2.Qh1#
      • 1...Ra5
        • 2.Qh1#
      • 1...Rc5
        • 2.Qh1#
      • 1...Rd5
        • 2.Qh1#
      • 1...Re5
        • 2.Qh1#
      • 1...Sa2
        • 2.Qe2#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sd3
        • 2.Qe2#
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD::B(H),XP(e)
    • S(a);N_GUARD::QAR2(F)
    • S(a);N_GUARD::QAR2(F),XS(a)
  • Tries
    • Try
      • B(E);XS(a)
      • Threat
        • QAR2(F)
      • Vars
        • K(c);S_FLIGHT::QAB1(F)
        • R(d);N_GUARD,XS(G)::QAB1(F),XP(e)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(e)
    • Try
      • B(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(F)
      • Refutation
        • R(d);P_SPINR(d)
  • Actual
    • B(H);
    • Vars
      • K(c);P_SPINR(d),S_FLIGHT::QAB(F),XP(e)
      • R(d);XS(G)::QAB(F)
      • R(d);::QAB(F)
      • S(a);N_GUARD::QAR2(F)
      • S(a);N_GUARD::QAR2(F),XS(a)
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Developed and maintained by Brian Stephenson.
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