MESON Chess Problem Database

Problem Display
PID: 189775 (8/2K1p3/8/3k1p2/1Pp1br2/2B5/2B1Q3/8 w - - 0 1)

Maksimov, Nikolai Ivanovich

Tidskrift for Schack, 1911

8/2K1p3/8/3k1p2/1Pp1br2/2B5/2B1Q3/8

#2

5 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Qe5#
    • 1...Bxc2
      • 2.Qe5#
    • 1...Bg2
      • 2.Qe5#
    • 1...Bd3
      • 2.Qe5#
    • 1...Bf3
      • 2.Qe5#
  • Tries
    • 1.Bb3?
      • threat
        • 2.Bxc4#
        • 2.Qxc4#
      • 1...Ke6
        • 2.Bxc4#
      • 1...Bb1
        • 2.Qe5#
      • 1...Bh1
        • 2.Qe5#
      • 1...Bc2
        • 2.Qe5#
      • 1...Bg2
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe5#
      • 1...Bf3
        • 2.Qe5#
      • 1...cxb3!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Bxc4#
      • 1...Ke6
        • 2.Bxc4#
      • 1...Bxd3
        • 2.Qe5#
      • 1...cxd3
        • 2.Qa2#
      • 1...Bh1
        • 2.Qe5#
      • 1...Bg2
        • 2.Qe5#
      • 1...Bf3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(b);OGATE::QAR1(B)
    • B(b);OGATE,XB(A)::QAR1(B)
  • Tries
    • Try
      • B(A);P_PINP(a)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P_SPINB(b),S_FLIGHT::B(A),XP(a)
        • B(b);OGATE::QAR1(B)
      • Refutation
        • P(a);N_SPINP(a),XB(A)
  • Actual
    • B(A);
    • Threat
      • B(A),XP(a)
    • Vars
      • K(d);P_SPINB(b),S_FLIGHT::B(A),XP(a)
      • B(b);OGATE,XB(A)::QAR1(B)
      • P(a);OGATEB,XB(A)::QAB(B)
      • B(b);OGATE::QAR1(B)
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Developed and maintained by Brian Stephenson.
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