MESON Chess Problem Database

Problem Display
PID: 20919 (8/1B1K4/3p1p1P/R1N2kBQ/2p1R2p/8/b3r3/4bqrn w - - 0 1)

Kipping, Cyril Stanley

Eskilstuna Kuriren, 1914

8/1B1K4/3p1p1P/R1N2kBQ/2p1R2p/8/b3r3/4bqrn

#2

8 + 11

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.Bc1#
      • 2.Bd2#
      • 2.Be3#
      • 2.Bf4#
      • 2.Bxh4#
    • 1...dxc5
      • 2.Rxc5#
    • 1...fxg5
      • 2.Qf7#
  • Tries
    • 1.Sb3+?
      • 1...Bxa5
        • 2.Sd4#
      • 1...d5!
    • 1.Se6+?
      • 1...Bxa5
        • 2.Sd4#
        • 2.Sg7#
      • 1...d5!
    • 1.Bxf6+?
      • 1...Rg5
        • 2.Qxg5#
      • 1...Kxf6!
    • 1.Rf4+?
      • 1...Ke5
        • 2.Sd3#
        • 2.Qe8#
      • 1...Qxf4!
  • Keys
    • 1.Kxd6!
      • threat
        • 2.Bc8#
      • 1...Qf4+
        • 2.Rxf4#
      • 1...Rd2+
        • 2.Sd3#
      • 1...Bg3+
        • 2.Bf4#
      • 1...Rxe4
        • 2.Bxe4#
      • 1...fxg5
        • 2.Qf7#
      • 1...c3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(j);OGATE,P_SPINP(j),XS(C)::R(B),XP(j)
    • P(k);OGATEB,P_SPINP(k),SBLOCK,XB(D)::QAR2(E)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(a);XR(B)::S(C)
      • Refutation
        • P(j);P_SPINP(j)
    • Try
      • S(C);CHECK
      • Refutation
        • P(j);P_SPINP(j)
    • Try
      • B(D);CHECK,XP(k)
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAR1(E),XR(c)
      • Refutation
        • K(i);P-FLIGHT,XB(D)
    • Try
      • R(A);CHECK
      • Refutation
        • Q(b);XR(A)
  • Actual
    • K(H);P-FLIGHT,XP(j)
    • Threat
      • B(G)
    • Vars
      • Q(b);CHECK,N_GUARD::R1(A),XQ(b)
      • R(f);CHECK,S_CUTB(a)::R(B)+S(C)
      • B(a);CHECK,S_CUTR(c)::QAR(E)+B(D)
      • R(f);OGATE,XR(A)::B(G),XR(f)
      • P(k);OGATEB,P_SPINP(k),SBLOCK,XB(D)::QAR2(E)
      • P(g);S_CUTB(a)::R(B)+S(C)
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