MESON Chess Problem Database

Problem Display
PID: 208810 (8/8/8/8/5Bnk/8/3Q1nR1/1K1B4 w - - 0 1)

Bayer, Konrad

Plachutta, Josef

Meriden Daily Republican, 1876

8/8/8/8/5Bnk/8/3Q1nR1/1K1B4

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rxg4+?
      • 1...Kh3
        • 2.Qe3#
      • 1...Kh5
        • 2.Qa5#
        • 2.Qd5#
      • 1...Sxg4!
  • Keys
    • 1.Qd7!
      • 1...Kh3
        • 2.Rh2#
      • 1...Kh5
        • 2.Qh7#
      • 1...Sxd1
        • 2.Qxg4#
      • 1...Sh3
        • 2.Qxg4#
      • 1...Sh1
        • 2.Qxg4#
      • 1...Sd3
        • 2.Qxg4#
      • 1...Se4
        • 2.Qxg4#
      • 1...Sh2
        • 2.Bg5#
        • 2.Qh7#
      • 1...Se3
        • 2.Bg5#
        • 2.Qh7#
      • 1...Se5
        • 2.Bg5#
        • 2.Qh7#
      • 1...Sf6
        • 2.Bg5#
      • 1...Sh6
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK,XS(b)
      • Vars
        • K(c);P-FLIGHT::QAR(C)
      • Refutation
        • S(a);XR(D)
  • Actual
    • Q(C);
    • Vars
      • K(c);P-FLIGHT,P_SPINS(b)::R1(D)
      • K(c);P-FLIGHT,P_SPINS(b)::QAR2(C)
      • S(a);N_GUARD,XB(B)::QAR1(C),XS(b)
      • S(a);N_GUARD::QAR1(C),XS(b)
      • S(b);::B(E)
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