MESON Chess Problem Database

Problem Display
PID: 202756 (5B1n/7B/1pP5/N2p3R/b2k3p/1P1P4/3KPPnr/8 w - - 0 1)

Barsukov, Leonid

Fokin, Yuri Georgievich

Zadachi i Etyudi, 2016

5B1n/7B/1pP5/N2p3R/b2k3p/1P1P4/3KPPnr/8

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb3
      • 2.Sxb3#
    • 1...Bxc6
      • 2.Sxc6#
    • 1...Se1
      • 2.e3#
    • 1...Se3
      • 2.fxe3#
    • 1...Sf4
      • 2.e3#
  • Tries
    • 1.Bg8?
      • threat
        • 2.Rxd5#
      • 1...Bxb3
        • 2.Sxb3#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Se3
        • 2.fxe3#
      • 1...Sf4
        • 2.e3#
      • 1...Sf7!
  • Keys
    • 1.Be4!
      • threat
        • 2.Rxd5#
      • 1...Bxb3
        • 2.Sxb3#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...dxe4
        • 2.Bg7#
      • 1...Se3
        • 2.fxe3#
      • 1...Sf4
        • 2.e3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(c);XP(D)::S(F),XB(c)
    • B(c);XP(H)::S(F),XB(c)
    • S(a);N_GUARD::P(B)
    • S(a);OGATE::P(C),XS(a)
  • Tries
    • Try
      • B(I);
      • Threat
        • R1(G),XP(f)
      • Vars
        • B(c);XP(D)::S(F),XB(c)
        • B(c);XP(H)::S(F),XB(c)
        • S(a);OGATE::P(C),XS(a)
        • S(a);N_GUARD::P(B)
      • Refutation
        • S(h);
  • Actual
    • B(I);
    • Threat
      • R1(G),XP(f)
    • Vars
      • B(c);XP(D)::S(F),XB(c)
      • B(c);XP(H)::S(F),XB(c)
      • P(f);XB(I)::B(J)
      • S(a);OGATE::P(C),XS(a)
      • S(a);N_GUARD::P(B)
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