MESON Chess Problem Database

Problem Display
PID: 161435 (8/4nB2/4Pb2/NrPk2p1/1p1B4/4QpPq/2N2PPn/4K3 w - - 0 1)

Planck, Charles

Reading Observer, 1907

8/4nB2/4Pb2/NrPk2p1/1p1B4/4QpPq/2N2PPn/4K3

#2

11 + 9

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Bxe6#
      • 2.Qxe6#
    • 1...Bxd4
      • 2.Qxd4#
    • 1...Be5
      • 2.Qxe5#
    • 1...Sf1
      • 2.Qxf3#
    • 1...Sg4
      • 2.Qxf3#
    • 1...Sf5
      • 2.e7#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Se3#
      • 1...Rxa5
        • 2.Sxb4#
      • 1...Rxc5
        • 2.Bxf6#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...Sf1
        • 2.Qxf3#
      • 1...Sg4
        • 2.Qxf3#
      • 1...Sf5
        • 2.e7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(h);OGATE,XB(G)::QAR1(E),XB(h)
    • B(h);N_GUARD::QAR1(E),XB(h)
    • S(a);N_GUARD::QAB(E),XP(b)
    • S(i);OGATE::B(K)+P(J)
  • Actual
    • Q(E);
    • Threat
      • S(B)
    • Vars
      • R(e);N_GUARD,XS(H)::S(B),XP(d)
      • R(e);SBLOCK,XP(I)::QAR(E)+B(G),XB(h)
      • B(h);OGATE,P_SPINB(h),XB(G)::QAR1(E),XB(h)
      • S(a);N_GUARD::QAB(E),XP(b)
      • S(i);OGATE::B(K)+P(J)
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