MESON Chess Problem Database

Problem Display
PID: 53514 (qr3RB1/n3ppK1/n7/N2k4/Q2N2P1/b1p2P2/b6B/8 w - - 0 1)

Charosh, Mannis

The Chess Review, 1934

qr3RB1/n3ppK1/n7/N2k4/Q2N2P1/b1p2P2/b6B/8

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Qc4#
    • 1...Bb1
      • 2.Qc4#
    • 1...Bc4
      • 2.Qxc4#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qe4#
      • 1...Kxe6
        • 2.Bxf7#
      • 1...fxe6
        • 2.Rf5#
      • 1...Rb4
        • 2.Qd7#
      • 1...Bb1
        • 2.Qc4#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Bb4
        • 2.Qxa2#
      • 1...Sb4
        • 2.Qd7#
      • 1...Sc5
        • 2.Sc7#
      • 1...f5
        • 2.Rxf5#
        • 2.Qd1#
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(j);S_CUTB(a)::QAB1(C)
    • B(a);N_GUARD::QAB1(C)
    • B(a);N_GUARD::QAB1(C),XB(a)
  • Actual
    • S(D);N_PINP(h)
    • Threat
      • QAB1(C)
    • Vars
      • K(d);OGATEB,P_SPINP(h),S_FLIGHT,XS(D)::B(I),XP(h)
      • P(h);OGATE,P_SPINP(h),XS(D)::R(H)
      • R(j);S_CUTB(b)::QAR2(C)
      • B(a);N_GUARD::QAB1(C)
      • B(a);N_GUARD::QAB1(C),XB(a)
      • B(b);OGATE::QAB(C),XB(a)
      • S(e);S_CUTB(b)::QAR2(C)
      • S(e);N_GUARD,SBLOCK::S(D)
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