MESON Chess Problem Database

Problem Display
PID: 181802 (8/8/8/2pNK3/5Q2/1p1k4/2b5/3B4 w - - 0 1)

Maksimov, Nikolai Ivanovich

Schweizerische Schachzeitung, 1905

8/8/8/2pNK3/5Q2/1p1k4/2b5/3B4

#2

4 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qe3#
      • 2.Qd4#
  • Tries
    • 1.Sb4+?
      • 1...cxb4
        • 2.Qd4#
      • 1...Kc3!
  • Keys
    • 1.Qc1!
      • 1...Kc4
        • 2.Be2#
      • 1...Bxd1
        • 2.Sf4#
      • 1...Bb1
        • 2.Sf4#
        • 2.Qc3#
      • 1...b2
        • 2.Qxc2#
      • 1...c4
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • P(d);XS(C)::QAR1(B)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(c);P_SPINB(a),S_FLIGHT::B(A)
      • B(a);XB(A)::S(C)
      • P(b);N_GUARD::QAB1(B),XB(a)
      • P(d);SBLOCK::QAR1(B)
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