MESON Chess Problem Database

Problem Display
PID: 130642 (8/8/8/4nK2/5R2/1p2k3/1R1N4/5B2 w - - 0 1)

Loewenton, Leon

Source?, 1940

8/8/8/4nK2/5R2/1p2k3/1R1N4/5B2

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sc4#
    • 1...Sf3
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sg4
      • 2.Sc4#
    • 1...Sc6
      • 2.Sc4#
    • 1...Sg6
      • 2.Sc4#
    • 1...Sd7
      • 2.Sc4#
    • 1...Sf7
      • 2.Sc4#
  • Tries
    • 1.Rxb3+?
      • 1...Sd3
        • 2.Sc4#
        • 2.Rxd3#
      • 1...Kxd2!
  • Keys
    • 1.Sb1!
      • 1...Sd3
        • 2.Re2#
      • 1...Sf3
        • 2.Re4#
      • 1...Sc4
        • 2.Rxb3#
      • 1...Sg4
        • 2.Rxb3#
      • 1...Sc6
        • 2.Rxb3#
      • 1...Sg6
        • 2.Rxb3#
      • 1...Sd7
        • 2.Rxb3#
      • 1...Sf7
        • 2.Rxb3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 8
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::S(C)
    • S(c);N_GUARD::S(C),XS(c)
  • Tries
    • Try
      • R(B);CHECK,XP(a)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • S(c);SBLOCK::R1(B)
      • S(c);SBLOCK::R1(D)
      • S(c);N_GUARD::R(B),XP(a)
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