MESON Chess Problem Database

Problem Display
PID: 89723 (8/8/3N4/2P3Q1/1p6/1p1k1B2/1B6/n5K1 w - - 0 1)

Pech, Jindrich

Zlata Praha, 1894

8/8/3N4/2P3Q1/1p6/1p1k1B2/1B6/n5K1

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf7?
      • 1...Kc4
        • 2.Be2#
      • 1...Sc2
        • 2.Se5#
      • 1...Kc2!
    • 1.Bc1?
      • threat
        • 2.Qd2#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc2!
    • 1.Be2+?
      • 1...Kc2
        • 2.Qc1#
      • 1...Kxe2!
    • 1.Qe7?
      • threat
        • 2.Qe2#
      • 1...Kd2
        • 2.Qe2#
      • 1...Kc2!
    • 1.Qd5+?
      • 1...Ke3
        • 2.Bc1#
      • 1...Kc2!
    • 1.Qe5?
      • threat
        • 2.Qe2#
      • 1...Kd2
        • 2.Qe2#
      • 1...Kc2!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Sc4#
      • 1...Kd2!
  • Keys
    • 1.Sc4!
      • 1...Kc2
        • 2.Qf5#
        • 2.Qg6#
      • 1...Kxc4
        • 2.Be2#
      • 1...Sc2
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(c);S_FLIGHT::B(C)
        • S(a);SBLOCK::S(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR1(E)
      • Vars
        • K(c);P-FLIGHT::QAB1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT,XB(C)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);P-FLIGHT::B(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);P-FLIGHT::S(F)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(c);S_FLIGHT,XS(F)::B(C)
      • S(a);SBLOCK::S(F)
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