MESON Chess Problem Database

Problem Display
PID: 223085 (8/2Bp4/1K6/3k1p2/4R3/1pPnp3/2rb4/7Q w - - 0 1)

Hulsen, Bernhard

Bruderschaft, 1886

8/2Bp4/1K6/3k1p2/4R3/1pPnp3/2rb4/7Q

#2

5 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.c4#
    • 1...Rb2
      • 2.c4#
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qd4#
        • 2.Qa8#
      • 1...Kxe4
        • 2.Qh1#
      • 1...Rxc3
        • 2.Qd4#
      • 1...Bxc3
        • 2.Qa8#
      • 1...fxe4
        • 2.Qg8#
      • 1...Se5
        • 2.Qxe5#
      • 1...Ra2
        • 2.Qd4#
      • 1...Sb4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sc5
        • 2.Qd4#
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::P(B)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(C)::QAB(A)
      • R(a);XP(B)::QAR1(A)
      • B(b);XP(B)::QAB(A)
      • P(g);SBLOCK,XR(C)::QAB(A)
      • S(d);N_GUARD::QAR1(A),XS(d)
      • R(a);::QAR1(A)
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