MESON Chess Problem Database

Problem Display
PID: 96391 (2k1bRrn/1p6/1PN2Bp1/2NPPr2/K5B1/8/8/2Q5 w - - 0 1)

Fabel, Karl

Problemas, 1975

2k1bRrn/1p6/1PN2Bp1/2NPPr2/K5B1/8/8/2Q5

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.Rxe8#
    • 1...g5
      • 2.Bxf5#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Scb8#
      • 1...Rf4+
        • 2.Sd4#
      • 1...Kxd7
        • 2.Sb8#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...bxc6
        • 2.Qxc6#
      • 1...Rf1
        • 2.Sa7#
      • 1...Rf2
        • 2.Sa7#
      • 1...Rf3
        • 2.Sa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD::R(J),XB(e)
    • P(b);N_GUARD::B(C),XR(a)
  • Actual
    • S(D);N_PINR(a),N_SPINS(H)
    • Threat
      • QAR(A)+S(H)
    • Vars
      • R(a);CHECK::QAR(A)+S(H)
      • K(d);N_SPINB(e),P_SPINR(a),S_FLIGHT,XS(D)::S(H)
      • R(a);XB(I)::B(C)+S(D),XR(a)
      • P(c);OGATE,P_SPINP(c),XS(H)::QAR2(A),XP(c)
      • R(a);::QAR(A)+S(H),DCHECK
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