MESON Chess Problem Database

Problem Display
PID: 258684 (b3n1B1/3N4/8/1P1R1ppQ/3rkN2/B7/1p1P1P2/1K6 w - - 0 1)

Fellows, Arthur G

English Mechanic and World of Science, 1906

(First published on Fri Apr 6 1906)

b3n1B1/3N4/8/1P1R1ppQ/3rkN2/B7/1p1P1P2/1K6

#2

10 + 7

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...gxf4
      • 2.Sc5#
      • 2.Qe2#
  • Tries
    • 1.Qh3?
      • threat
        • 2.Qe3#
      • 1...Kxf4
        • 2.Qxf5#
      • 1...gxf4
        • 2.Sc5#
        • 2.Re5#
      • 1...Rd3!
  • Keys
    • 1.Se6!
      • threat
        • 2.Rxd4#
      • 1...Kd3
        • 2.Rxd4#
      • 1...Kxd5
        • 2.Sxg5#
      • 1...Rxd2
        • 2.Qh1#
      • 1...Rxd5
        • 2.Qe2#
      • 1...Bxd5
        • 2.Qe2#
      • 1...g4
        • 2.Qxf5#
      • 1...Rd3
        • 2.Re5#
      • 1...Ra4
        • 2.Qh1#
      • 1...Rb4
        • 2.Qh1#
      • 1...Rc4
        • 2.Qh1#
      • 1...f4
        • 2.Sec5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • K(c);N_GUARD,P-FLIGHT,XS(E)::QAR1(H),XP(d)
      • Refutation
        • R(b);
  • Actual
    • S(E);
    • Threat
      • R1(G),XR(b)
    • Vars
      • K(c);P_SPINR(b),S_FLIGHT::R1(G),XR(b)
      • K(c);N_GUARD,S_FLIGHT,XR(G)::B(J)+S(E),XP(e)
      • R(b);XP(B)::QAB(H)
      • R(b);SBLOCK,XR(G)::QAR2(H)
      • B(f);SBLOCK,XR(G)::QAR2(H)
      • P(e);OGATE::QAB1(H),XP(d)
      • R(b);SBLOCK::R1(G)
      • R(b);::QAB(H)
      • P(d);SBLOCK::S(E)
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