MESON Chess Problem Database

Problem Display
PID: 155472 (2n3Q1/3p4/4RP2/1Npk2K1/2p2Pb1/8/8/8 w - - 0 1)

Allen, JW

British Chess Magazine, 1905

2n3Q1/3p4/4RP2/1Npk2K1/2p2Pb1/8/8/8

#2

6 + 6

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qe4#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Bxe6
        • 2.Qh1#
      • 1...dxe6
        • 2.Qb7#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Bf3
        • 2.Qf5#
      • 1...Bf5
        • 2.Qxf5#

Anticipated by 121334(1897)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(D)::QAB(F)
      • B(b);N_GUARD,SBLOCK,XR(D)::QAB(F)
      • P(e);OGATE,SBLOCK,XR(D)::QAB(F)
      • S(f);N_GUARD::R1(D),XS(f)
      • B(b);N_GUARD::QAR2(F)
      • B(b);N_GUARD::QAR2(F),XB(b)
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