Problem Display
PID: 70168 (8/2p1p3/2P1r1PN/4kb2/5NpK/3RP1P1/1PQ5/8 w - - 0 1)

Meyer, Max Julius

Liverpool Weekly Mercury, 1894

(First published on Sat Feb 3 1894)

8/2p1p3/2P1r1PN/4kb2/5NpK/3RP1P1/1PQ5/8

#2

10 + 6


187 The Chess Bouquet 1897
15351 SCPF/BCPS Black Books 2016

SOLUTION


  • SOUND
  • Sets
    • 1...Rf6
      • 2.Rd5#
    • 1...Be4
      • 2.Qc3#
  • Tries
    • 1.Sxg4+?
      • 1...Ke4
        • 2.Qg2#
      • 1...Bxg4!
    • 1.Sf7+?
      • 1...Ke4
        • 2.Qg2#
      • 1...Kf6!
    • 1.Qc5+?
      • 1...Ke4
        • 2.Qd5#
      • 1...Kf6!
  • Keys
    • 1.Rd6!
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Qc3#
      • 1...Rxd6
        • 2.Qxf5#
      • 1...Rxg6
        • 2.Sf7#
      • 1...Bxc2
        • 2.Rxe6#
      • 1...Bxg6
        • 2.Rxe6#
      • 1...cxd6
        • 2.Qxf5#
      • 1...exd6
        • 2.Qxf5#
      • 1...Bd3
        • 2.Rxe6#
      • 1...Rf6
        • 2.Rd5#
      • 1...Be4
        • 2.Rxe6#

There are these versions: 158335

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::R1(C)
    • B(c);SBLOCK::QAB(B)
  • Tries
    • Try
      • S(J);CHECK,XP(a)
      • Vars
        • K(b);P-FLIGHT::QAB(B)
      • Refutation
        • B(c);XS(J)
    • Try
      • S(J);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(b);S_FLIGHT,XR(C)::S(J)
      • K(b);P_SPINR(d),S_FLIGHT::QAB(B)
      • R(d);SBLOCK,XR(C)::QAR1(B),XB(c)
      • R(d);XP(I)::S(J)
      • B(c);N_GUARD,XQ(B)::R1(C),XR(d)
      • B(c);N_GUARD,XP(I)::R1(C),XR(d)
      • P(e);SBLOCK,XR(C)::QAR1(B),XB(c)
      • P(f);SBLOCK,XR(C)::QAR1(B),XB(c)
      • B(c);N_GUARD::R1(C),XR(d)
      • R(d);SBLOCK::R1(C)


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