MESON Chess Problem Database

Problem Display
PID: 6831 (6q1/3Q4/2pN4/R1p3nR/1P1kP1N1/6P1/bP2pPB1/r1n1B2K w - - 0 1)

Adabashev, Mark Ivanovich

64 Shakhmatnoe obozrenie, 1934

6q1/3Q4/2pN4/R1p3nR/1P1kP1N1/6P1/bP2pPB1/r1n1B2K

#2

13 + 9

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Sb5#
      • 2.Sf5#
    • 1...Bc4
      • 2.Sb5#
      • 2.Sf5#
    • 1...c4
      • 2.Sb5#
      • 2.Sf5#
      • 2.Sf7#
  • Tries
    • 1.Qg7+?
      • 1...Kd3
        • 2.Qc3#
      • 1...Qxg7!
  • Keys
    • 1.Se5!
      • threat
        • 2.Bc3#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Sxe4
        • 2.Sb5#
      • 1...cxb4
        • 2.Sf5#
      • 1...Qb3
        • 2.Sdc4#
      • 1...Qc4
        • 2.Sdxc4#
      • 1...Sb3
        • 2.Sdf7#
      • 1...Sd3
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(M);CHECK
      • Vars
        • K(e);OGATE,P-FLIGHT::QAR1(M)
      • Refutation
        • Q(i);XQ(M)
  • Actual
    • S(I);
    • Threat
      • B(A)
    • Vars
      • K(e);P_SPINP(f),P_SPINS(g),S_FLIGHT,XS(I)::B(A)
      • S(g);XP(H)::QAR(M)+S(L),DCHECK
      • P(f);XP(G)::QAR(M)+S(L),DCHECK
      • Q(i);N_GUARD::QAR(M)+S(L)
      • Q(i);N_GUARD::QAR(M)+S(L),XQ(i)
      • S(b);P_PINB(A),S_CUTB(c)::QAR(M)+S(L)
      • S(b);P_PINB(A),SBLOCK::S(I),XP(h)
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