MESON Chess Problem Database

Problem Display
PID: 81997 (B6n/6K1/3pN3/3Pk1N1/b2rP3/2R5/1R6/B6n w - - 0 1)

Ahues, Herbert Siegfried Oskar

Best Problems, 2002

B6n/6K1/3pN3/3Pk1N1/b2rP3/2R5/1R6/B6n

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Re3?
      • threat
        • 2.Sf3#
      • 1...Rxe4
        • 2.Rf2#
      • 1...Rxd5
        • 2.Rb5#
      • 1...Bd1!
    • 1.Rf3?
      • threat
        • 2.Rf5#
      • 1...Rxe4
        • 2.Re2#
      • 1...Sg3!
  • Keys
    • 1.Re2!
      • threat
        • 2.Sf3#
      • 1...Rxe4
        • 2.Rf3#
      • 1...Rxd5
        • 2.Rc5#
      • 1...Rd3
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • S(F)
      • Vars
        • R(c);OGATEB,P_SPINR(c),XP(D)::B(A)+R(B)
        • R(c);OGATEB,XP(E)::B(A)+R(B)
      • Refutation
        • B(b);
    • Try
      • R(C);
      • Threat
        • R1(C)
      • Vars
        • R(c);OGATEB,XP(D)::B(A)+R(B)
      • Refutation
        • S(a);
  • Actual
    • R(B);
    • Threat
      • S(F)
    • Vars
      • R(c);OGATEB,P_SPINR(c),XP(D)::B(A)+R(C)
      • R(c);OGATEB,XP(E)::B(A)+R(C)
      • R(c);OGATEB::B(A)+R(C),XR(c)
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