MESON Chess Problem Database

Problem Display
PID: 4576 (3B4/8/2p5/2k5/p3KP2/P7/3RQ3/8 w - - 0 1)

Lansquenet, Alfred

La Strategie, 1880

3B4/8/2p5/2k5/p3KP2/P7/3RQ3/8

#2

6 + 3

3360 Simple Two-move Themes 1924
20 De Problemist 1932
5501 Chess Cameos 1936
5065 Chess Problem Gems by Eight Eminent American Composers 1972
3310 2345 Chess Problems 1997
5454 Near Snap 2009
5454 Near Snap 2011
5454 Near Snap 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Rd3?
      • 1...Kb5
        • 2.Rc3#
        • 2.Rd5#
      • 1...Kc4!
  • Keys
    • 1.Kd3!
      • threat
        • 2.Qe5#
      • 1...Kb5
        • 2.Kd4#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kd6
        • 2.Kc4#

This anticipates 109817(1891), 95234(1898), 92667(1900), 2409(1904), 120807(1906), 145656(1921), 208458(1950)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(b);P-FLIGHT::QAB(B)+K(D)
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);S_FLIGHT::R(A)+K(D)
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