MESON Chess Problem Database
Problem Display
PID: 183004 (3B4/5p2/1p5K/r5p1/3NBp1k/8/5N2/2bb2R1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Boletim da UBP, 1990
#2
6 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sf5#
- 2.Bxg5#
- 1...Ra2
- 2.Sf5#
- 2.Bxg5#
- 1...Ra3
- 2.Sf5#
- 2.Bxg5#
- 1...Ra4
- 2.Sf5#
- 2.Bxg5#
- 1...Rf5
- 2.Sxf5#
- 1...Ra6
- 2.Sf5#
- 2.Bxg5#
- 1...Ra7
- 2.Sf5#
- 2.Bxg5#
- 1...Ra8
- 2.Sf5#
- 2.Bxg5#
- 1...Bc2
- 2.Sf3#
- 2.Rg4#
- 1...Bb3
- 2.Sf3#
- 2.Rg4#
- 1...Bf3
- 2.Sxf3#
- 1...Ba4
- 2.Sf3#
- 2.Rg4#
- 1...Bg4
- 2.Rxg4#
- 1...f3
- 2.Rg4#
- 1...b5
- 2.Sf5#
- 2.Bxg5#
- 1...f5
- 2.Bxg5#
- 1...Ra1
- Tries
- 1.Se2?
- threat
- 2.Rh1#
- 2.Rg4#
- 1...Ra3
- 2.Bxg5#
- 2.Rg4#
- 1...f5
- 2.Bxg5#
- 2.Rh1#
- 1...Bxe2!
- threat
- 1.Bd5?
- threat
- 2.Sf5#
- 2.Bxg5#
- 1...Bc2
- 2.Sf3#
- 2.Bxg5#
- 2.Rg4#
- 1...Bg4
- 2.Bxg5#
- 2.Rxg4#
- 1...f3
- 2.Sf5#
- 2.Rg4#
- 1...f5
- 2.Sxf5#
- 2.Bxg5#
- 1...f6
- 2.Sf5#
- 1...Rxd5!
- threat
- 1.Bf5?
- threat
- 2.Bxg5#
- 1...Rxf5
- 2.Sxf5#
- 1...f3
- 2.Rg4#
- 1...f6!
- threat
- 1.Se2?
- Keys
- 1.Bf3!
- threat
- 2.Rg4#
- 1...Bxf3
- 2.Sxf3#
- 1...f5
- 2.Bxg5#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(e);N_GUARD::S(C),XR(e)
- B(b);N_GUARD::S(C),XB(b)
- B(b);N_GUARD::R1(A),XB(b)
- P(c);S_CUTB(b)::R1(A)
- P(h);S_CUTR(e)::B(F),XP(f)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Refutation
- B(b);XS(C)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(h);N_SPINP(f)::S(C)
- Refutation
- R(e);XB(D)
- Try
- B(D);
- Threat
- B(F),XP(f)
- Vars
- R(e);XB(D)::S(C),XR(e)
- P(c);S_CUTB(b)::R1(A)
- Refutation
- P(h);N_SPINP(f)
- Try
- Actual
- B(D);
- Threat
- R1(A)
- Vars
- B(b);XB(D)::S(C),XB(b)
- P(h);S_CUTR(e)::B(F),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).