MESON Chess Problem Database

Problem Display
PID: 120253 (8/8/8/2p5/2B4K/3Pk1P1/7p/3Q2br w - - 0 1)

Markx, BJM

Tijdschrift vd NSB, 1899

8/8/8/2p5/2B4K/3Pk1P1/7p/3Q2br

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1+?
      • 1...Kf3
        • 2.Bd5#
      • 1...Kd4!
  • Keys
    • 1.d4!
      • 1...Kf2
        • 2.Qe2#
      • 1...Ke4
        • 2.Qd3#
      • 1...cxd4
        • 2.Qe2#
      • 1...Bf2
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);P-FLIGHT::B(D)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(d);S_FLIGHT::QAR1(A)
      • K(d);P-FLIGHT::QAB1(A)
      • P(e);SBLOCK,XP(B)::QAR1(A)
      • B(a);P_PINP(C),SBLOCK::QAR1(A)
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