MESON Chess Problem Database

Problem Display
PID: 223354 (7B/3R3B/2n1pR2/p3r3/K1k1p3/1Np5/2P5/8 w - - 0 1)

Bobrov, Pavel Pavlovich

Vsemirnaya Illustrantiya, 1885

7B/3R3B/2n1pR2/p3r3/K1k1p3/1Np5/2P5/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Rd4#
    • 1...Sd4
      • 2.Rxd4#
    • 1...Sa7
      • 2.Rd4#
    • 1...Se7
      • 2.Rd4#
    • 1...Sb8
      • 2.Rd4#
    • 1...Sd8
      • 2.Rd4#
    • 1...e3
      • 2.Bd3#
  • Keys
    • 1.Rf3!
      • 1...exf3
        • 2.Bd3#
      • 1...Rb5
        • 2.Rxc3#
      • 1...Rc5
        • 2.Rxc3#
      • 1...Rd5
        • 2.Rxc3#
      • 1...Rf5
        • 2.Rxc3#
      • 1...Rg5
        • 2.Rxc3#
      • 1...Rh5
        • 2.Rxc3#
      • 1...Sb4
        • 2.Rd4#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Sa7
        • 2.Rd4#
      • 1...Se7
        • 2.Rd4#
      • 1...Sb8
        • 2.Rd4#
      • 1...Sd8
        • 2.Rd4#
      • 1...e3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::R1(E)
    • S(f);N_GUARD::R1(E),XS(f)
    • P(c);OGATE::B(F)
  • Actual
    • R(D);
    • Vars
      • P(c);OGATE,XR(D)::B(F)
      • R(e);::R1(D),XP(a)
      • S(f);N_GUARD::R1(E)
      • S(f);N_GUARD::R1(E),XS(f)
      • P(c);OGATE::B(F)
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