MESON Chess Problem Database

Problem Display
PID: 214744 (3K4/8/8/3k4/2N1N3/8/Q2P2B1/6R1 w - - 0 1)

Hawkins, Xenophon

Detroit Free Press, 1877

3K4/8/8/3k4/2N1N3/8/Q2P2B1/6R1

#2

7 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kc6
        • 2.Qa6#
      • 1...Ke5!
    • 1.Qa4?
      • 1...Ke6
        • 2.Qd7#
      • 1...Kd4!
    • 1.Qa7?
      • 1...Kc6
        • 2.Sc3#
        • 2.Sed6#
        • 2.Qd7#
      • 1...Ke6
        • 2.Qd7#
      • 1...Kxc4!
  • Keys
    • 1.d4!
      • 1...Kxd4
        • 2.Rd1#
      • 1...Kc6
        • 2.Sc3#
        • 2.Sed6#
      • 1...Ke6
        • 2.Se3#
        • 2.Scd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • P(C);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(C)::R(A)
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