MESON Chess Problem Database

Problem Display
PID: 159755 (1N1Rn2q/7p/n1P1B2r/r3k2P/b1Q4B/8/2p5/2K5 w - - 0 1)

Andrew, Frederick William

Birmingham Daily Post, 1899

1N1Rn2q/7p/n1P1B2r/r3k2P/b1Q4B/8/2p5/2K5

#2

8 + 9

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc6
      • 2.Sxc6#
    • 1...Sd6
      • 2.Sd7#
    • 1...Sf6
      • 2.Bg3#
  • Tries
    • 1.Bh3?
      • threat
        • 2.Qd4#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Sd6
        • 2.Sd7#
      • 1...Rd6!
    • 1.Bg4?
      • threat
        • 2.Qd4#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Sd6
        • 2.Sd7#
      • 1...Rd6!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Qe2#
      • 1...Rxe6
        • 2.Qf4#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Bb5
        • 2.Qd5#
      • 1...Sc5
        • 2.Qd5#
      • 1...Sd6
        • 2.Sd7#
      • 1...Sf6
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);XP(E)::S(G),XB(b)
    • S(h);SBLOCK::S(G)
    • S(h);SBLOCK::B(C)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB1(B)
      • Vars
        • R(c);N_GUARD::R1(H),XR(c)
        • S(h);SBLOCK::S(G)
      • Refutation
        • R(f);
    • Try
      • B(F);
      • Threat
        • QAB1(B)
      • Vars
        • R(c);N_GUARD::R1(H),XR(c)
        • S(h);SBLOCK::S(G)
      • Refutation
        • R(f);
  • Actual
    • B(C);
    • Threat
      • QAR(B)
    • Vars
      • R(f);SBLOCK,XB(F)::QAB1(B)
      • B(b);XP(E)::S(G),XB(b)
      • R(c);N_GUARD::QAR1(B),XR(c)
      • B(b);S_CUTR(c)::QAR1(B)
      • S(e);S_CUTR(c)::QAR1(B)
      • S(h);SBLOCK::S(G)
      • S(h);SBLOCK::B(C)
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