MESON Chess Problem Database
Problem Display
PID: 170140 (1NB1n3/1p3Np1/1K4p1/2P2RB1/4k3/4Pn2/4P3/8 w - - 0 1)
Boven, Dirk
Tages-Anzeiger, 1981
#2
9 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sxg5
- 2.Re5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...gxf5
- 2.Bxb7#
- 1...Se1
- Tries
- 1.Kxb7?
- 1...Sd6+
- 2.Sxd6#
- 1...Sxg5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...gxf5!
- 1...Sd6+
- 1.Sa6?
- 1...Sxg5
- 2.Re5#
- 1...gxf5
- 2.Bxb7#
- 1...Se5
- 2.Rxe5#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...bxa6!
- 1...Sxg5
- 1.Bf4?
- 1...gxf5
- 2.Bxb7#
- 1...Se5
- 2.Rxe5#
- 1...Se1
- 2.Sg5#
- 2.Re5#
- 1...Sg1
- 2.Sg5#
- 2.Re5#
- 1...Sd2
- 2.Sg5#
- 2.Re5#
- 1...Sh2
- 2.Sg5#
- 2.Re5#
- 1...Sd4
- 2.Sg5#
- 2.Re5#
- 1...Sh4
- 2.Sg5#
- 2.Re5#
- 1...Sg5
- 2.Sxg5#
- 2.Re5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...g5!
- 1...gxf5
- 1.Be6?
- 1...Sxg5
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...gxf5!
- 1...Sxg5
- 1.Bd7?
- 1...Sxg5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...gxf5!
- 1...Sxg5
- 1.Kxb7?
- Keys
- 1.Sd7!
- 1...Kxf5
- 2.Sf6#
- 1...Sxg5
- 2.Re5#
- 1...gxf5
- 2.Bxb7#
- 1...Se5
- 2.Rxe5#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Kxf5
- 1.Sd7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD,XB(E)::R1(D)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- P(c);SBLOCK,XR(D)::B(I),XP(d)
- Tries
- Try
- K(F);P-FLIGHT,XP(d)
- Vars
- S(f);CHECK,N_GUARD::S(G),XS(f)
- S(a);N_GUARD,XB(E)::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::S(G)
- Refutation
- P(c);XR(D)
- Try
- S(H);
- Vars
- S(a);N_GUARD,XB(E)::R1(D)
- P(c);SBLOCK,XR(D)::B(I),XP(d)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- Refutation
- P(d);XS(H)
- Try
- B(E);
- Vars
- P(c);SBLOCK,XR(D)::B(I),XP(d)
- S(a);N_GUARD::R1(D),XS(a)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- Refutation
- P(c);
- Try
- B(I);
- Vars
- S(a);N_GUARD,XB(E)::R1(D)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- Refutation
- P(c);XR(D)
- Try
- B(I);
- Vars
- S(a);N_GUARD,XB(E)::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- Refutation
- P(c);XR(D)
- Try
- Actual
- S(H);
- Vars
- K(b);S_FLIGHT,XR(D)::B(I)+S(H)
- S(a);N_GUARD,XB(E)::R1(D)
- P(c);SBLOCK,XR(D)::B(I),XP(d)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
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).