MESON Chess Problem Database

Problem Display
PID: 99191 (2N2r2/5p2/p4P2/k4B2/8/K6R/5p2/1R3r2 w - - 0 1)

Janev, Zoran

Magyar Sakkelet, 1989

2N2r2/5p2/p4P2/k4B2/8/K6R/5p2/1R3r2

#2

6 + 6

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ka2?
      • threat
        • 2.Ra3#
      • 1...Ka4
        • 2.Ra3#
      • 1...Rxb1!
    • 1.Sd6?
      • threat
        • 2.Sc4#
        • 2.Sb7#
      • 1...Rc1
        • 2.Sb7#
      • 1...Rb8
        • 2.Sc4#
      • 1...Rc8
        • 2.Sb7#
      • 1...Rxb1!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Bc2#
        • 2.Bd3#
        • 2.Bh3#
        • 2.Be4#
        • 2.Bg4#
        • 2.Be6#
        • 2.Bg6#
        • 2.Bd7#
        • 2.Bh7#
      • 1...Rxb1
        • 2.Bxb1#
      • 1...Rxc8
        • 2.Bxc8#
      • 1...Rc1
        • 2.Bc2#
      • 1...Rd1
        • 2.Bd3#
      • 1...Re1
        • 2.Be4#
      • 1...Rg1
        • 2.Bg4#
      • 1...Rh1
        • 2.Bh3#
      • 1...Rd8
        • 2.Bd7#
      • 1...Re8
        • 2.Be6#
      • 1...Rg8
        • 2.Bg6#
      • 1...Rh8
        • 2.Bh7#

Anticipated by 107612(1950)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • R(C)
      • Vars
        • K(c);P-FLIGHT::R1(C)
      • Refutation
        • R(a);XR(A)
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::S(F)
        • R(f);::S(F)
      • Refutation
        • R(a);XR(A)
  • Actual
    • R(C);
    • Threat
      • DUALS(9)
    • Vars
      • R(a);OGATE,XR(A)::R(C)+B(D),XR(a)
      • R(f);OGATE,XS(F)::R(C)+B(D),XR(f)
      • R(a);::R(C)+B(D)
      • R(f);::R(C)+B(D)
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