MESON Chess Problem Database

Problem Display
PID: 116827 (7b/6n1/1R6/3p4/2p1p1K1/8/3P3k/R7 w - - 0 1)

de Jong, Leonard Nicholaas

More White Rooks, 1911

7b/6n1/1R6/3p4/2p1p1K1/8/3P3k/R7

#2

4 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rb2!
      • threat
        • 2.d3#
        • 2.d4#
      • 1...Kg2
        • 2.d3#
        • 2.d4#
      • 1...Sf5
        • 2.d4#
      • 1...Sh5
        • 2.d4#
      • 1...Se6
        • 2.d4#
      • 1...Se8
        • 2.d4#
      • 1...c3
        • 2.dxc3#
      • 1...e3
        • 2.dxe3#
      • 1...d4
        • 2.d3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • S(e);::R(D)+P(B)
      • P(b);OGATE::R(D)+P(B),XP(b)
      • P(c);OGATE::R(D)+P(B),XP(c)
      • P(d);::R(D)+P(B)
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