MESON Chess Problem Database

Problem Display
PID: 100970 (5b2/B3pp2/2B2rpn/1N1R2p1/1KP1k1n1/2R4N/2P1b1r1/8 w - - 0 1)

Goethart, Gerhardus Hendrik

Good Companions (October), 1916

5b2/B3pp2/2B2rpn/1N1R2p1/1KP1k1n1/2R4N/2P1b1r1/8

#2

9 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Rc5#
      • 2.Rxg5#
    • 1...Rf2
      • 2.Rc5#
      • 2.Rxg5#
    • 1...Rf3
      • 2.Rc5#
      • 2.Rxg5#
    • 1...Rf4
      • 2.Sxg5#
      • 2.Rc5#
      • 2.Rxg5#
    • 1...Sf2
      • 2.Re3#
    • 1...Sh2
      • 2.Re3#
    • 1...Se3
      • 2.Rxe3#
    • 1...e6+
      • 2.Rc5#
  • Keys
    • 1.Rf3!
      • threat
        • 2.Sxg5#
      • 1...e5+
        • 2.Rd6#
      • 1...e6+
        • 2.Rc5#
      • 1...Kxf3
        • 2.Rd3#
      • 1...Rxf3
        • 2.Rxg5#
      • 1...Bxf3
        • 2.Sc3#
      • 1...Rf5
        • 2.Rdxf5#
      • 1...Sf2
        • 2.Re3#
      • 1...Sh2
        • 2.Re3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Se5
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::R1(B)
    • S(d);N_GUARD::R1(B),XS(d)
    • P(i);CHECK,S_CUTR(f)::B(H)+R(G)
  • Actual
    • R(B);
    • Threat
      • S(C),XP(e)
    • Vars
      • P(i);CHECK,SBLOCK::B(H)+R(G)
      • P(i);CHECK,S_CUTR(f)::B(H)+R(G)
      • K(c);S_FLIGHT,XR(B)::B(H)+R(G),DCHECK
      • R(f);N_GUARD,SBLOCK,XR(B)::B(H)+R(G),XP(e)
      • B(a);SBLOCK,XR(B)::S(F)
      • R(f);N_GUARD::B(H)+R(G),XR(f)
      • S(d);N_GUARD::R1(B)
      • S(d);N_GUARD::R1(B),XS(d)
      • S(d);SBLOCK::B(H)+R(G),DCHECK
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