MESON Chess Problem Database

Problem Display
PID: 258913 (qB5b/rbN2Pnr/p1k4p/Pp1p1B1p/N4Q1P/8/8/2K5 w - - 0 1)

Bijpost, M

Probleemblad, 1948

qB5b/rbN2Pnr/p1k4p/Pp1p1B1p/N4Q1P/8/8/2K5

#2

9 + 12

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • threat
        • 2.Qxd5#
      • 1...d4
        • 2.Qc5#
        • 2.Qd5#
      • 1...Qxb8!
    • 1.Qxh6+?
      • 1...Se6
        • 2.Qxe6#
      • 1...Rxh6!
    • 1.Qd4?
      • threat
        • 2.Qc5#
        • 2.Qb6#
        • 2.Qxd5#
      • 1...Qxb8
        • 2.Qc5#
        • 2.Qb6#
      • 1...Sxf5
        • 2.Qxd5#
      • 1...bxa4
        • 2.Qb6#
        • 2.Qxd5#
      • 1...Bc8
        • 2.Qb6#
        • 2.Qxd5#
      • 1...Se6
        • 2.Qxd5#
      • 1...Kd6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sd4#
        • 2.Sd8#
        • 2.Qd6#
        • 2.Qc7#
      • 1...Kd7
        • 2.Qc7#
      • 1...Qxb8
        • 2.Sd4#
      • 1...Sxf5
        • 2.Qc7#
      • 1...Sxe6
        • 2.Qd6#
      • 1...bxa4
        • 2.Qxa4#
      • 1...Bc8
        • 2.Sd8#
      • 1...b4
        • 2.Sd4#
      • 1...d4
        • 2.Qd6#
      • 1...Se8
        • 2.Sd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C),XP(b)
      • Refutation
        • Q(k);XB(I)
    • Try
      • Q(C);CHECK,XP(f)
      • Vars
        • S(i);N_GUARD,P_SPINS(i)::QAR2(C),XS(i)
      • Refutation
        • R(j);XQ(C)
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(i);XB(F)::QAB1(C),XP(b)
        • S(i);::QAB1(C),XP(b)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(b)
  • Actual
    • S(G);
    • Threat
      • DUALS(4)
    • Vars
      • K(e);S_FLIGHT::QAR1(C)
      • Q(k);XB(I)::S(G)
      • S(i);XB(F)::QAR1(C)
      • S(i);XS(G)::QAR1(C)
      • P(a);OGATE,XS(B)::QAB(C),XP(a)
      • B(h);::S(G)
      • P(a);::S(G)
      • P(b);::QAR1(C)
      • S(i);::S(G)
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