MESON Chess Problem Database

Problem Display
PID: 149149 (K5B1/p7/2p5/4k3/3N2n1/6P1/r1PR4/B6Q w - - 0 1)

Dedrle, Frantisek

Tidskrift for Schack, 1910

K5B1/p7/2p5/4k3/3N2n1/6P1/r1PR4/B6Q

#2

8 + 5

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3+?
      • 1...Kf5
        • 2.Qh7#
      • 1...Ke4!
    • 1.Qf3?
      • threat
        • 2.Sxc6#
        • 2.Qf4#
      • 1...c5
        • 2.Sc6#
        • 2.Qf4#
      • 1...Kd6!
    • 1.Qh6?
      • threat
        • 2.Qf4#
        • 2.Qe6#
      • 1...Ke4
        • 2.Qf4#
      • 1...Sf6
        • 2.Qf4#
      • 1...Sxh6!
    • 1.Qh7?
      • threat
        • 2.Sf3#
        • 2.Sxc6#
        • 2.Qe7#
      • 1...Kd6
        • 2.Sb3#
        • 2.Se6#
      • 1...Rxa1
        • 2.Qe7#
      • 1...Rb2
        • 2.Qe7#
      • 1...c5
        • 2.Sf3#
        • 2.Sc6#
        • 2.Qe7#
      • 1...Kf6!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe7#
      • 1...Ke4
        • 2.Re2#
      • 1...Kd6
        • 2.Se6#
      • 1...Sf6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB(B)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
        • S(b);::QAB1(B)
      • Refutation
        • S(b);XQ(B)
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Vars
        • R(a);XB(A)::QAR2(B)
        • R(a);::QAR2(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(c);P-FLIGHT,P_SPINS(b)::R(D)
      • K(c);S_FLIGHT::R(D)+S(F)
      • S(b);OGATE::QAB1(B)
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