MESON Chess Problem Database

Problem Display
PID: 16862 (6B1/3K4/4N1Qb/1np3Rr/1rkN2bR/1q2p3/2p1p3/3nB3 w - - 0 1)

Hassberg, Eric Manfred

American Chess Bulletin, 1944

6B1/3K4/4N1Qb/1np3Rr/1rkN2bR/1q2p3/2p1p3/3nB3

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh4
      • 2.Rxc5#
    • 1...Bxe6+
      • 2.Bxe6#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sf4#
      • 1...Qd3+
        • 2.Sed4#
      • 1...Kd3
        • 2.Sxc5#
      • 1...Kd5
        • 2.Sxe3#
      • 1...Sa3
        • 2.Sd6#
      • 1...Sbc3
        • 2.Sd6#
      • 1...Sd4
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#
      • 1...Sdc3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 2
  • Sets
    • R(k);N_GUARD,XR(C)::R1(D),XP(j)
    • B(h);CHECK,OGATE,P_SPINB(h),XS(E)::B(H),XB(h)
  • Actual
    • S(B);N_SPINS(E),P_PINB(h)
    • Threat
      • B(H)+S(E)
    • Vars
      • Q(d);CHECK,SBLOCK::B(H)+S(E)
      • K(g);N_SPINB(h),S_FLIGHT::S(E),XP(j)
      • K(g);N_SPINB(h),S_FLIGHT::R(D)+S(B),DCHECK,XP(e)
      • S(i);N_GUARD::S(B)
      • S(i);N_GUARD,N_SPINB(h)::S(B)
      • S(i);N_GUARD::S(B),XS(i)
      • S(a);N_GUARD,S_CUTQ(d)::S(B),XP(e)
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