MESON Chess Problem Database

Problem Display
PID: 2278 (8/1K1P4/1ppQ1p2/1pq2P2/N3k1P1/rb5R/2pRPp2/2B1nr2 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/1K1P4/1ppQ1p2/1pq2P2/N3k1P1/rb5R/2pRPp2/2B1nr2

#2

10 + 12

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Rxd4#
      • 2.Qxd4#
    • 1...Qc3
      • 2.Sxc3#
    • 1...Qd5
      • 2.Sc3#
    • 1...Qxf5
      • 2.Sc3#
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sd3
      • 2.exd3#
  • Keys
    • 1.Rd5!
      • threat
        • 2.Qe6#
      • 1...Qxd6
        • 2.Sc3#
      • 1...Qxd5
        • 2.Qf4#
      • 1...Bxd5
        • 2.Qf4#
      • 1...cxd5
        • 2.Qf4#
      • 1...Qe3
        • 2.Rxe3#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Qc3
        • 2.Sxc3#
      • 1...Sd3
        • 2.exd3#
      • 1...Sf3
        • 2.exf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • Q(i);N_GUARD::S(E),XQ(i)
    • Q(i);N_GUARD::S(E)
    • S(a);OGATE::P(C),XS(a)
  • Actual
    • R(B);
    • Threat
      • QAR2(H)
    • Vars
      • Q(i);N_GUARD,XQ(H)::S(E)
      • Q(i);SBLOCK,XR(B)::QAR1(H)
      • B(f);SBLOCK,XR(B)::QAR1(H)
      • P(k);SBLOCK,XR(B)::QAR1(H)
      • Q(i);N_GUARD::R1(D),XQ(i)
      • Q(i);N_GUARD::R1(B),XQ(i)
      • Q(i);N_GUARD::S(E),XQ(i)
      • S(a);OGATE::P(C),XS(a)
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