MESON Chess Problem Database

Problem Display
PID: 236511 (1NR2b2/8/4p2r/3P4/3k4/5P2/B2P1n2/K1N1R3 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Rochade Europa, 2007

1NR2b2/8/4p2r/3P4/3k4/5P2/B2P1n2/K1N1R3

#2

9 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Sc6#
    • 1...Sd1
      • 2.Re4#
    • 1...Sh1
      • 2.Re4#
    • 1...Sd3
      • 2.Re4#
    • 1...Sh3
      • 2.Re4#
    • 1...Se4
      • 2.Rxe4#
    • 1...Sg4
      • 2.Re4#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.Bb1#
        • 2.Re3#
        • 2.Rc3#
      • 1...Kxd5!
    • 1.Bc4?
      • threat
        • 2.Sb3#
      • 1...Se4
        • 2.Rxe4#
      • 1...Bc5!
    • 1.Re3?
      • threat
        • 2.Se2#
      • 1...Se4
        • 2.Rxe4#
      • 1...Rh1!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Sc6#
      • 1...exd5
        • 2.Sb3#
      • 1...e5
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(e);SBLOCK::S(H)
    • S(a);N_GUARD::R1(C)
    • S(a);N_GUARD::R1(C),XS(a)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(b);P-FLIGHT,XP(G)
    • Try
      • B(D);
      • Threat
        • S(B)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
      • Refutation
        • B(e);
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
      • Refutation
        • R(d);P_PINS(B)
  • Actual
    • R(I);
    • Threat
      • S(H)
    • Vars
      • P(c);SBLOCK,XP(G)::S(B)
      • P(c);SBLOCK::S(B)
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