MESON Chess Problem Database

Problem Display
PID: 74284 (2n5/2K3bB/bp2p3/2pkP2R/3p2N1/1P6/1R6/Q1n5 w - - 0 1)

Brauer, Friedrich

Wochenpost, 1993

2n5/2K3bB/bp2p3/2pkP2R/3p2N1/1P6/1R6/Q1n5

#2

8 + 9

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qa8#
    • 1...Be2
      • 2.Qa8#
    • 1...Bd3
      • 2.Qa8#
    • 1...Bc4
      • 2.Qa8#
    • 1...Bxe5+
      • 2.Rxe5#
    • 1...Bf6
      • 2.Sxf6#
    • 1...Bh6
      • 2.Sf6#
    • 1...Bf8
      • 2.Sf6#
    • 1...Sa2
      • 2.Qh1#
    • 1...Se2
      • 2.Qh1#
    • 1...Sd3
      • 2.Qh1#
  • Keys
    • 1.Rd2!
      • threat
        • 2.Se3#
      • 1...Bxe5+
        • 2.Rxe5#
      • 1...c4
        • 2.Qxd4#
      • 1...Bd3
        • 2.Qa8#
      • 1...Bh6
        • 2.Sf6#
      • 1...Sd3
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(e);OGATE::QAB(A)
    • B(h);CHECK,OGATE,P_SPINB(h),XP(E)::R1(F),XB(h)
    • B(h);N_GUARD::S(D),XB(h)
    • B(h);N_GUARD::S(D)
    • S(a);OGATE::QAB(A)
  • Actual
    • R(B);P_PINP(b)
    • Threat
      • S(D)
    • Vars
      • B(h);CHECK,OGATE,P_SPINB(h),XP(E)::R1(F),XB(h)
      • P(c);N_GUARD::QAR1(A),XP(b)
      • B(e);N_SPINP(b),OGATE::QAB(A)
      • B(h);N_GUARD::S(D)
      • S(a);N_SPINP(b),OGATE::QAB(A)
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