MESON Chess Problem Database

Problem Display
PID: 17528 (8/N7/1n2p1n1/3Rrb1N/4k1r1/2R5/K4P2/8 w - - 0 1)

Mikan, Ilja

Nova Svoboda, 1947

8/N7/1n2p1n1/3Rrb1N/4k1r1/2R5/K4P2/8

#2

6 + 7

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Sf6#
    • 1...Sf4
      • 2.Sf6#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Rd4#
      • 1...Rxd5
        • 2.Re3#
        • 2.f3#
      • 1...Sxd5
        • 2.f3#
      • 1...exd5
        • 2.Re3#
        • 2.f3#
      • 1...Kxd5!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rd4#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Rxd5
        • 2.Re3#
      • 1...Sxd5
        • 2.f3#
      • 1...exd5
        • 2.Re3#
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK::S(E)
    • S(g);SBLOCK::S(E)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(D)
      • Vars
        • S(e);SBLOCK,XR(D)::P(B)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
  • Actual
    • S(F);
    • Threat
      • R1(D)
    • Vars
      • K(a);S_FLIGHT,XR(D)::S(E)
      • R(c);SBLOCK,XR(D)::R1(C)
      • S(e);SBLOCK,XR(D)::P(B)
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