MESON Chess Problem Database

Problem Display
PID: 121311 (6Q1/1K2B3/2N1nb2/1Rpk1b2/4R3/1p1pp3/2p5/8 w - - 0 1)

Mikan, Ilja

Straz lidu, 1960

6Q1/1K2B3/2N1nb2/1Rpk1b2/4R3/1p1pp3/2p5/8

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Rxc5#
    • 1...Bg6
      • 2.Qxe6#
    • 1...Bh7
      • 2.Qxe6#
    • 1...Bd4
      • 2.Rxd4#
    • 1...Bh4
      • 2.Rd4#
    • 1...Bg5
      • 2.Rd4#
    • 1...Bxe7
      • 2.Rd4#
  • Tries
    • 1.Re5+?
      • 1...Kc4
        • 2.Rbxc5#
        • 2.Rexc5#
      • 1...Bxe5!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rbxc5#
      • 1...Kxc4
        • 2.Rxc5#
      • 1...Bxe7
        • 2.Rd4#
      • 1...Bd4
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(g);SBLOCK,XR(A)::R1(B),XP(e)
    • B(g);N_GUARD::QAB1(F),XS(h)
    • B(i);N_GUARD::R1(A),XB(i)
    • B(i);N_GUARD::R1(A)
    • B(i);N_GUARD,XB(E)::R1(A)
  • Tries
    • Try
      • R(A);CHECK
      • Refutation
        • B(i);XR(A)
  • Actual
    • R(A);
    • Threat
      • R1(B),XP(e)
    • Vars
      • K(f);N_SPINP(e),S_FLIGHT,XR(A)::R1(B),XP(e)
      • B(i);N_GUARD,XB(E)::R1(A)
      • B(i);N_GUARD::R1(A),XB(i)
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