MESON Chess Problem Database

Problem Display
PID: 44146 (4R3/1qp2Bp1/1p3P2/1r2p1KN/1b2k3/2pN1pB1/2Pp1Q2/4rn2 w - - 0 1)

Kipping, Cyril Stanley

Daily Telegraph, 1911

4R3/1qp2Bp1/1p3P2/1r2p1KN/1b2k3/2pN1pB1/2Pp1Q2/4rn2

#2

9 + 13

4792 300 Chess Problems 1916

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Bg6#
    • 1...Rd5
      • 2.Bg6#
    • 1...Bc5
      • 2.Rxe5#
    • 1...Sxg3
      • 2.Sxg3#
    • 1...c5
      • 2.Rxe5#
    • 1...gxf6+
      • 2.Sxf6#
  • Tries
    • 1.Sc5+?
      • 1...Bxc5
        • 2.Rxe5#
      • 1...bxc5
        • 2.Rxe5#
      • 1...Rxc5!
  • Keys
    • 1.Bxe5!
      • threat
        • 2.Qd4#
      • 1...Rxe5+
        • 2.Rxe5#
      • 1...gxf6+
        • 2.Sxf6#
      • 1...Qd5
        • 2.Bg6#
      • 1...Re3
        • 2.Qh4#
      • 1...Rd5
        • 2.Bg6#
      • 1...Bc5
        • 2.Bd6#
      • 1...Se3
        • 2.Sg3#
      • 1...c5
        • 2.Bc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(k);SBLOCK::B(H)
    • R(h);SBLOCK::B(H)
    • B(f);S_CUTR(h)::R1(I),XP(i)
    • S(b);XB(D)::S(F),XS(b)
    • P(l);S_CUTR(h)::R1(I),XP(i)
    • P(m);CHECK,XP(G)::S(F),XP(m)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(f);XS(C)::R1(I),XP(i)
        • P(j);XS(C)::R1(I),XP(i)
      • Refutation
        • R(h);XS(C)
  • Actual
    • B(D);P_SPINB(D),XP(i)
    • Threat
      • QAR1(B)
    • Vars
      • R(h);CHECK,OGATE,P_SPINR(h),XB(D)::R1(I),XR(h)
      • P(m);CHECK,XP(G)::S(F),XP(m)
      • Q(k);SBLOCK::B(H)
      • R(a);SBLOCK::QAR(B)
      • R(h);SBLOCK::B(H)
      • B(f);N_PINB(D)::R(I)+B(D)
      • S(b);N_GUARD::S(F)
      • P(l);N_PINB(D)::R(I)+B(D)
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