MESON Chess Problem Database

Problem Display
PID: 43815 (6r1/6n1/1PQ2p2/RK1Nk3/3q4/4P1N1/8/n1B2R2 w - - 0 1)

Kipping, Cyril Stanley

Nottinghamshire Guardian, 1912

6r1/6n1/1PQ2p2/RK1Nk3/3q4/4P1N1/8/n1B2R2

#2

9 + 6

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Qb2+
      • 2.Bxb2#
    • 1...Sf5
      • 2.Rxf5#
    • 1...Sh5
      • 2.Rf5#
    • 1...Se6
      • 2.Rf5#
    • 1...Se8
      • 2.Rf5#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sg6#
      • 1...Qb2+
        • 2.Bxb2#
      • 1...Qc5+
        • 2.Qxc5#
      • 1...Qxb6+
        • 2.Kxb6#
      • 1...Qd3+
        • 2.Sxd3#
      • 1...Qa4+
        • 2.Kxa4#
      • 1...Qb4+
        • 2.Kxb4#
      • 1...Qc4+
        • 2.Kxc4#
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qxe3
        • 2.Qd5#
      • 1...Qxf4
        • 2.Ka6#
      • 1...Qe4
        • 2.Qc7#
      • 1...Qd6
        • 2.Qe4#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • Q(b);CHECK,OGATEB::B(A),XQ(b)
    • S(e);N_GUARD::R1(B),XS(e)
    • S(e);N_GUARD::R1(B)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • Q(b);CHECK,OGATEB::B(A),XQ(b)
      • Q(b);CHECK,N_GUARD::QAR2(I),XQ(b)
      • Q(b);CHECK,XP(H)::R(E)+K(F),XQ(b)
      • Q(b);CHECK,N_GUARD::S(G),XQ(b)
      • Q(b);CHECK::R(E)+K(F),XQ(b)
      • Q(b);CHECK,N_GUARD::QAR1(I),XQ(b)
      • Q(b);N_GUARD,XP(C)::QAR1(I)
      • Q(b);N_GUARD,XS(G)::R(E)+K(F)
      • Q(b);N_GUARD::QAB(I)
      • Q(b);N_GUARD,SBLOCK::QAR1(I)
      • S(e);N_GUARD::QAR1(I)
      • S(e);N_GUARD::QAR1(I),XS(e)
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