MESON Chess Problem Database

Problem Display
PID: 159569 (8/1RNp4/2B5/8/1K6/3k4/5Q2/8 w - - 0 1)

Aler, David

Tidskrift for Schack, 1977

8/1RNp4/2B5/8/1K6/3k4/5Q2/8

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sa6?
      • threat
        • 2.Sc5#
        • 2.Rxd7#
      • 1...dxc6
        • 2.Sc5#
      • 1...d5
        • 2.Sc5#
      • 1...d6!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Sb5#
        • 2.Qe4#
      • 1...Kxe2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sf4#
        • 2.Sc5#
        • 2.Rxd7#
      • 1...dxc6
        • 2.Sc5#
      • 1...dxe6
        • 2.Rd7#
      • 1...d5
        • 2.Sc5#
      • 1...d6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XB(C)::S(E)
        • P(b);::S(E)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • S(E);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);XB(C)::S(E)
      • P(b);XS(E)::R(D)
      • P(b);::S(E)
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