MESON Chess Problem Database

Problem Display
PID: 167319 (8/8/8/1K3N2/4k3/4p3/6R1/Q3N3 w - - 0 1)

Rothwell, Stephen

Der Tagesspiegel (Berlin), 1998

8/8/8/1K3N2/4k3/4p3/6R1/Q3N3

#2

5 + 2

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Kxd3
        • 2.Qd4#
      • 1...Kf3
        • 2.Qa8#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kxf5
        • 2.Qe5#
      • 1...e2!
    • 1.Sd6+?
      • 1...Kf4
        • 2.Qd4#
        • 2.Qf6#
      • 1...Kd5!
    • 1.Se7?
      • threat
        • 2.Rg4#
      • 1...Kf4
        • 2.Qd4#
      • 1...e2!
  • Keys
    • 1.Sxe3!
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kf4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);S_FLIGHT,XS(B)::QAR1(A)
        • K(b);S_FLIGHT::QAB(A)
        • K(b);S_FLIGHT::QAR1(A)
        • K(b);S_FLIGHT,XS(E)::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • S(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(E);
      • Threat
        • R(C)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(a);
  • Actual
    • S(E);XP(a)
    • Vars
      • K(b);P-FLIGHT,XS(E)::QAR2(A)
      • K(b);P-FLIGHT::QAR2(A)
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