MESON Chess Problem Database

Problem Display
PID: 117902 (5NN1/1p2n1Q1/1P1p3n/3k1rR1/3B4/6P1/K2R4/5B2 w - - 0 1)

Palkoska, Emil

Counties Chess Association, 1893

5NN1/1p2n1Q1/1P1p3n/3k1rR1/3B4/6P1/K2R4/5B2

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sxe7#
    • 1...Sc6
      • 2.Sf6#
    • 1...Sg6
      • 2.Qxb7#
    • 1...Sc8
      • 2.Qxb7#
    • 1...Sxg8
      • 2.Qxb7#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Bg2#
      • 1...Kc6
        • 2.Sxe7#
      • 1...Ke4!
    • 1.Bg1+?
      • 1...Kc6
        • 2.Sxe7#
      • 1...Ke4!
    • 1.Bf2+?
      • 1...Kc6
        • 2.Sxe7#
      • 1...Ke4!
    • 1.Be3+?
      • 1...Kc6
        • 2.Sxe7#
      • 1...Ke4!
    • 1.Rxf5+?
      • 1...Ke4
        • 2.Bd3#
      • 1...Kc6
        • 2.Sxe7#
        • 2.Bb5#
        • 2.Rc2#
      • 1...Sexf5
        • 2.Qxb7#
      • 1...Shxf5!
    • 1.Qxh6?
      • threat
        • 2.Qh1#
      • 1...Kc6
        • 2.Sxe7#
      • 1...Ke4!
  • Keys
    • 1.Qh7!
      • 1...Ke4
        • 2.Bg2#
      • 1...Kc6
        • 2.Sxe7#
      • 1...Rxg5
        • 2.Sxe7#
      • 1...Shxg8
        • 2.Qh1#
      • 1...Sexg8
        • 2.Qxb7#
      • 1...Re5
        • 2.Sxe7#
      • 1...Sg4
        • 2.Qh1#
      • 1...Sf7
        • 2.Qh1#
      • 1...Sc6
        • 2.Sf6#
      • 1...Sg6
        • 2.Qxb7#
      • 1...Sc8
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINR(b),S_FLIGHT::S(J),XS(f)
    • S(f);SBLOCK::S(J)
    • S(f);OGATE::QAB(H),XP(e)
    • S(f);OGATE,XS(J)::QAB(H),XP(e)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • B(A)
      • Vars
        • K(a);N_SPINR(b),S_FLIGHT::S(J),XS(f)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(a);N_SPINR(b),S_FLIGHT::S(J),XS(f)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(a);N_SPINR(b),S_FLIGHT::S(J),XS(f)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(a);N_SPINR(b),S_FLIGHT::S(J),XS(f)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT
    • Try
      • R(F);CHECK,XR(b)
      • Vars
        • K(a);S_FLIGHT::B(A)
        • S(f);OGATE,XR(F)::QAB(H),XP(e)
      • Refutation
        • S(d);XR(F)
    • Try
      • Q(H);XS(d)
      • Threat
        • QAB(H)
      • Vars
        • K(a);N_SPINR(b),P_SPINP(c),S_FLIGHT::S(J),XS(f)
      • Refutation
        • K(a);N_SPINR(b),S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);N_SPINR(b),S_FLIGHT::S(J),XS(f)
      • R(b);N_SPINR(b),XR(F)::S(J),XS(f)
      • S(d);OGATE,XS(J)::QAB(H)
      • S(f);OGATE,XS(J)::QAB(H),XP(e)
      • R(b);::S(J),XS(f)
      • S(d);OGATE::QAB(H)
      • S(f);SBLOCK::S(J)
      • S(f);OGATE::QAB(H),XP(e)
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