MESON Chess Problem Database

Problem Display
PID: 17176 (8/5N2/K6B/5n2/2N2b2/Q2pPkpB/3p2R1/5n2 w - - 0 1)

von Pittler, Wolfgang

Chemnitzer Tageblatt, 1925

8/5N2/K6B/5n2/2N2b2/Q2pPkpB/3p2R1/5n2

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sg5#
    • 1...Bg5
      • 2.Sxg5#
    • 1...Bd6
      • 2.Sg5#
    • 1...Bc7
      • 2.Sg5#
    • 1...Bb8
      • 2.Sg5#
    • 1...S1xe3
      • 2.Sxd2#
  • Tries
    • 1.Sce5+?
      • 1...Kxe3
        • 2.Qxd3#
      • 1...Ke4
        • 2.Qxd3#
      • 1...Bxe5!
    • 1.Sfe5+?
      • 1...Ke4
        • 2.Qxd3#
      • 1...Bxe5!
    • 1.Qd6?
      • threat
        • 2.Qxf4#
        • 2.Qd5#
        • 2.Qc6#
      • 1...Ke4
        • 2.Qc6#
      • 1...Bxe3
        • 2.Qd5#
        • 2.Qc6#
      • 1...Bxd6
        • 2.Sg5#
      • 1...Bxh6
        • 2.Qd5#
        • 2.Qc6#
      • 1...S1xe3
        • 2.Sxd2#
        • 2.Qxf4#
      • 1...S5xe3
        • 2.Qxf4#
      • 1...Sd4
        • 2.Qxf4#
        • 2.Qd5#
      • 1...Be5
        • 2.Sg5#
        • 2.Qd5#
        • 2.Qc6#
      • 1...Bg5
        • 2.Sxg5#
        • 2.Qd5#
        • 2.Qc6#
      • 1...Se7
        • 2.Qxf4#
      • 1...Sxd6!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qa8#
      • 1...Ke4
        • 2.Qa8#
      • 1...S1xe3
        • 2.Sxd2#
      • 1...S5xe3
        • 2.Sg5#
      • 1...Sd4
        • 2.Sg5#
      • 1...Bb8
        • 2.Sg5#
      • 1...Sd6
        • 2.Sg5#
      • 1...Se7
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(f);N_GUARD::S(H)
    • B(f);N_GUARD::S(H),XB(f)
    • S(a);N_GUARD,SBLOCK,XP(C)::S(E),XP(b)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINB(f),P_SPINP(c),XP(C)::QAR1(B),XP(c)
        • K(d);S_FLIGHT::QAB1(B),XP(c)
      • Refutation
        • B(f);XS(E)
    • Try
      • S(H);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(B),XP(c)
      • Refutation
        • B(f);XS(H)
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Vars
        • K(d);S_FLIGHT::QAB(B)
        • B(f);N_GUARD,XQ(B)::S(H)
        • S(g);XP(C)::QAR1(B),XB(f)
        • S(g);::QAR1(B),XB(f)
      • Refutation
        • S(g);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • K(d);S_FLIGHT::QAB(B)
      • S(a);N_GUARD,SBLOCK,XP(C)::S(E),XP(b)
      • S(g);S_CUTB(f),XP(C)::S(H)
      • S(g);S_CUTB(f)::S(H)
      • B(f);N_GUARD::S(H)
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