MESON Chess Problem Database

Problem Display
PID: 181178 (8/8/B4n2/5p2/R1P1kP2/2R4N/1B3pN1/2Kn1b2 w - - 0 1)

Henry, HL

American Chess Bulletin, 1904

8/8/B4n2/5p2/R1P1kP2/2R4N/1B3pN1/2Kn1b2

#2

9 + 6

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Rxe3#
  • Tries
    • 1.Sxf2+?
      • 1...Sxf2
        • 2.Re3#
      • 1...Kd4!
  • Keys
    • 1.Rd3!
      • threat
        • 2.c5#
      • 1...Kxd3
        • 2.c5#
      • 1...Bxd3
        • 2.Sg5#
      • 1...Sxb2
        • 2.Sxf2#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sc3
        • 2.Sxf2#
      • 1...Sd5
        • 2.cxd5#

This anticipates 96854(1945)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::R1(D),XS(a)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • S(a);XS(E)::R1(D)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • R(F)+P(G)
    • Vars
      • K(d);S_FLIGHT,XR(D)::B(I)+P(G)
      • B(b);SBLOCK,XR(D)::S(E)
      • S(a);N_GUARD,XB(B)::S(E),XP(c)
      • S(a);N_GUARD::R1(D),XS(a)
      • S(a);N_GUARD::S(E),XP(c)
      • S(f);OGATE::R(F)+P(G),XS(f)
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