MESON Chess Problem Database

Problem Display
PID: 175703 (3K4/3N3B/3p4/1p1k4/1p2R1P1/1P6/3P4/8 w - - 0 1)

Havelka, Frantisek

Lucan, 1898

3K4/3N3B/3p4/1p1k4/1p2R1P1/1P6/3P4/8

#2

7 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Re3?
      • 1...Kd4
        • 2.Rd3#
      • 1...Kc6!
    • 1.Rxb4?
      • 1...Ke6
        • 2.Bg8#
      • 1...Kc6!
    • 1.Rc4?
      • threat
        • 2.Bg8#
      • 1...Ke6
        • 2.Bg8#
      • 1...bxc4!
    • 1.Rf4?
      • 1...Ke6
        • 2.Bg8#
      • 1...Kc6!
  • Keys
    • 1.Re6!
      • 1...Kd4
        • 2.Rxd6#
      • 1...Kc6
        • 2.Be4#
      • 1...Kxe6
        • 2.Bg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • K(c);P-FLIGHT::R1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);XP(a)
      • Vars
        • K(c);S_FLIGHT::B(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(C);
      • Threat
        • B(F)
      • Vars
        • K(c);S_FLIGHT::B(F)
      • Refutation
        • P(b);XR(C)
    • Try
      • R(C);
      • Vars
        • K(c);S_FLIGHT::B(F)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(c);P-FLIGHT::R(C),XP(d)
      • K(c);P_SPINP(d),S_FLIGHT::B(F)
      • K(c);OGATEB,S_FLIGHT,XR(C)::B(F)
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