MESON Chess Problem Database

Problem Display
PID: 159942 (1r6/4B3/2Q5/k7/8/Kp6/4b3/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

1r6/4B3/2Q5/k7/8/Kp6/4b3/8

#2

3 + 4

5454 Near Snap 2017
15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Bxb4#
    • 1...Rb6
      • 2.Qa4#
    • 1...Ra8
      • 2.Bb4#
    • 1...Rc8
      • 2.Bb4#
    • 1...Rd8
      • 2.Bb4#
      • 2.Bxd8#
    • 1...Re8
      • 2.Bb4#
    • 1...Rf8
      • 2.Bb4#
    • 1...Rg8
      • 2.Bb4#
    • 1...Rh8
      • 2.Bb4#
    • 1...Bb5
      • 2.Bb4#
  • Tries
    • 1.Bd8+?
      • 1...Rb6
        • 2.Qa4#
        • 2.Qxb6#
      • 1...Rxd8!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qa4#
      • 1...Rb4
        • 2.Bxb4#
      • 1...Rb5
        • 2.Qa8#
      • 1...Bb5
        • 2.Bb4#

Anticipated by 6436(1929)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(d);N_GUARD::B(C),XR(d)
    • R(d);SBLOCK::QAR1(B)
    • R(d);N_GUARD::B(C)
    • B(a);S_CUTR(d)::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • R(d);XB(C)
  • Actual
    • B(C);
    • Threat
      • QAR1(B)
    • Vars
      • R(d);N_GUARD::B(C),XR(d)
      • R(d);N_GUARD,SBLOCK,S_CUTB(a)::QAR(B)
      • B(a);S_CUTR(d)::B(C)
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