MESON Chess Problem Database

Problem Display
PID: 169291 (4N3/1BpkP1N1/3P4/1n1P4/4R2B/6K1/8/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

1st Comm., SuperProblem 189. TT, 2017

4N3/1BpkP1N1/3P4/1n1P4/4R2B/6K1/8/8

#2

9 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd6
      • 2.Sf6#
    • 1...c5
      • 2.dxc5 ep#
    • 1...c6
      • 2.dxc6#
  • Keys
    • 1.Rc4!
      • 1...Sxd6
        • 2.Rxc7#
      • 1...cxd6
        • 2.Bc8#
      • 1...Sa3
        • 2.Rxc7#
      • 1...Sc3
        • 2.Rxc7#
      • 1...Sd4
        • 2.Rxc7#
      • 1...Sa7
        • 2.Rxc7#
      • 1...c5
        • 2.dxc5 ep#
      • 1...c6
        • 2.dxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK,XP(E)::S(I)
    • P(b);OGATE::P(D),XP(b),EP
    • P(b);OGATE::P(D),XP(b)
  • Actual
    • R(B);
    • Vars
      • S(a);N_GUARD,XP(E)::R1(B),XP(b)
      • P(b);XP(E)::B(F)
      • S(a);N_GUARD::R1(B),XP(b)
      • P(b);OGATE::P(D),XP(b),EP
      • P(b);OGATE::P(D),XP(b)
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