MESON Chess Problem Database

Problem Display
PID: 169854 (b1R2QBB/4Nr2/1nr2P2/6R1/n1pk2K1/2p1p1N1/2PP4/6b1 w - - 0 1)

Dobordzinidze, Aleksandr

Shakhmaty v SSSR, 1945

b1R2QBB/4Nr2/1nr2P2/6R1/n1pk2K1/2p1p1N1/2PP4/6b1

#2

11 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Rxd5#
    • 1...Sd7
      • 2.Rd5#
    • 1...Sxc8
      • 2.Rd5#
  • Tries
    • 1.Rd8+?
      • 1...Sd5
        • 2.Rgxd5#
        • 2.Rdxd5#
      • 1...Sd7
        • 2.Rd5#
      • 1...Rd6!
    • 1.Qd8+?
      • 1...Sd5
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...Sd7
        • 2.Rd5#
      • 1...Rd6!
  • Keys
    • 1.Kf4!
      • threat
        • 2.Se2#
      • 1...Rcxf6+
        • 2.Sgf5#
      • 1...Rfxf6+
        • 2.Sef5#
      • 1...Sd5+
        • 2.Rxd5#
      • 1...Bh2
        • 2.dxe3#
      • 1...e2
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(g);N_GUARD::R1(E),XS(g)
    • S(g);N_GUARD::R1(E)
    • S(g);N_GUARD,XR(H)::R1(E)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::R1(E)
      • Refutation
        • R(h);P_SPINR(h)
    • Try
      • Q(I);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::R1(E)
      • Refutation
        • R(h);P_SPINR(h)
  • Actual
    • K(D);P-FLIGHT,P_SPINP(F)
    • Threat
      • S(C)
    • Vars
      • R(h);CHECK,P_SPINR(h),XP(F)::S(C)
      • R(i);CHECK,P_SPINR(i),XP(F)::S(G)
      • S(g);CHECK,N_GUARD::R1(E),XS(g)
      • B(a);N_GUARD,P_PINS(C)::P(B),XP(c)
      • P(c);::S(C),XP(c)
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Developed and maintained by Brian Stephenson.
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