MESON Chess Problem Database

Problem Display
PID: 162969 (2QR4/8/2Bb4/3N4/4k3/5N2/1n4P1/1K6 w - - 0 1)

Kuligin, M

Best Problems, 2012

2QR4/8/2Bb4/3N4/4k3/5N2/1n4P1/1K6

#2

7 + 3

3713 Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Bf4
        • 2.Qg6#
      • 1...Kd3!
    • 1.Qe6+?
      • 1...Be5
        • 2.Qg6#
      • 1...Kd3!
  • Keys
    • 1.Bd7!
      • 1...Kd3
        • 2.Qc2#
      • 1...Kxd5
        • 2.Qc6#
      • 1...Bh2
        • 2.Bf5#
      • 1...Ba3
        • 2.Bf5#
      • 1...Bg3
        • 2.Bf5#
      • 1...Bb4
        • 2.Bf5#
      • 1...Bf4
        • 2.Bf5#
      • 1...Bc5
        • 2.Bf5#
      • 1...Be5
        • 2.Bf5#
      • 1...Bc7
        • 2.Bf5#
      • 1...Be7
        • 2.Bf5#
      • 1...Bb8
        • 2.Bf5#
      • 1...Bf8
        • 2.Bf5#
      • 1...Sd1
        • 2.Qc4#
      • 1...Sd3
        • 2.Qc4#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#

Anticipated by 21963(1922)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • B(c);P_SPINB(c)::QAB(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • B(c);P_SPINB(c)::QAB(F)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(b);S_FLIGHT::QAB1(F)
      • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(F)
      • B(c);::B(E)
      • S(a);N_GUARD::QAR2(F)
      • S(a);N_GUARD::QAR2(F),XS(a)
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