MESON Chess Problem Database

Problem Display
PID: 229127 (8/1bR2K2/r7/6Bk/4B2P/7P/8/8 w - - 0 1)

Branzovsky, Josef

Studentsky casopis, 1926

8/1bR2K2/r7/6Bk/4B2P/7P/8/8

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bg6#
    • 1...Ra2
      • 2.Bg6#
    • 1...Ra3
      • 2.Bg6#
    • 1...Ra4
      • 2.Bg6#
    • 1...Ra5
      • 2.Bg6#
    • 1...Rc6
      • 2.Bf3#
    • 1...Rg6
      • 2.Bxg6#
    • 1...Ra7
      • 2.Bg6#
    • 1...Ra8
      • 2.Bg6#
    • 1...Bc6
      • 2.Bg6#
  • Tries
    • 1.Rxb7?
      • threat
        • 2.Bf3#
      • 1...Ra3
        • 2.Bg6#
      • 1...Ra4
        • 2.Bg6#
      • 1...Rf6+!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Bf3#
        • 2.Bg6#
      • 1...Rxc6
        • 2.Bf3#
      • 1...Bxc6
        • 2.Bg6#
      • 1...Ra3
        • 2.Bg6#
        • 2.Rh6#
      • 1...Ra4
        • 2.Bg6#
        • 2.Rh6#
      • 1...Bc8
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::B(B)
    • R(b);N_GUARD,SBLOCK::B(B)
    • R(b);S_CUTB(c)::B(B)
    • R(b);N_GUARD::B(B),XR(b)
    • B(c);S_CUTR(b)::B(B)
  • Tries
    • Try
      • R(E);XB(c)
      • Threat
        • B(B)
      • Vars
        • R(b);N_GUARD::B(B)
      • Refutation
        • R(b);CHECK
  • Actual
    • R(E);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);XR(E)::B(B)
      • B(c);XR(E)::B(B)
      • B(c);::B(B)
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