MESON Chess Problem Database
Problem Display
PID: 137018 (1nbq1Bn1/3p1B2/4N1RN/r1ppk1p1/r7/b4PP1/3R4/3K4 w - - 0 1)
Bottger, Horst
Bruch, Wieland
Sp. Prize, Sachsische Zeitung, 2004
#2
9 + 12
| 23 | Die Schwalbe | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Bb4
- 2.Re2#
- 1...Sf6
- 2.Rxg5#
- 1...c4
- 2.Re2#
- 1...Bb4
- Tries
- 1.Sd4?
- threat
- 2.Sg4#
- 2.Bd6#
- 1...Qxf8
- 2.Sg4#
- 1...Rxd4
- 2.Bd6#
- 1...Sxh6
- 2.Bd6#
- 1...cxd4
- 2.Re2#
- 1...Qb6
- 2.Sg4#
- 1...Qf6
- 2.Sg4#
- 1...Qc7
- 2.Sg4#
- 1...Qe7
- 2.Sg4#
- 1...Ra6
- 2.Sg4#
- 1...Sf6
- 2.Rxg5#
- 1...Se7
- 2.Sg4#
- 2.Bg7#
- 1...c4
- 2.Sg4#
- 1...g4
- 2.Sxg4#
- 2.Bd6#
- 1...d6!
- threat
- 1.Sf4?
- threat
- 2.Bd6#
- 2.Rxd5#
- 1...Qxf8
- 2.Rxd5#
- 1...Sxh6
- 2.Rxd5#
- 1...Qb6
- 2.Rxd5#
- 1...Qf6
- 2.Rxd5#
- 1...Qc7
- 2.Rxd5#
- 1...Qe7
- 2.Rxd5#
- 1...Rd4
- 2.Bd6#
- 1...Ra6
- 2.Rxd5#
- 1...Bb7
- 2.Bd6#
- 1...Sf6
- 2.Rxg5#
- 1...Se7
- 2.Bg7#
- 1...d4
- 2.Sd3#
- 2.Bd6#
- 2.Re2#
- 1...d6
- 2.Rxd5#
- 1...c4!
- threat
- 1.Sxg5?
- threat
- 2.Bd6#
- 2.Rxd5#
- 1...Qxf8
- 2.Rxd5#
- 1...Sxh6
- 2.Rxd5#
- 1...Qb6
- 2.Rxd5#
- 1...Qf6
- 2.Rxd5#
- 1...Qc7
- 2.Rxd5#
- 1...Qe7
- 2.Rxd5#
- 1...Rd4
- 2.Bd6#
- 1...Ra6
- 2.Rxd5#
- 1...Bb7
- 2.Bd6#
- 1...Se7
- 2.Bg7#
- 1...c4
- 2.f4#
- 1...d4
- 2.Bd6#
- 2.Re2#
- 2.f4#
- 1...d6
- 2.Rxd5#
- 1...Sf6!
- threat
- 1.Sc7?
- threat
- 2.Bd6#
- 2.Rxd5#
- 1...Qxc7
- 2.Rxd5#
- 1...Qxf8
- 2.Rxd5#
- 1...Sxh6
- 2.Rxd5#
- 1...Qf6
- 2.Rxd5#
- 1...Qe7
- 2.Rxd5#
- 1...Rd4
- 2.Bd6#
- 1...Ra6
- 2.Rxd5#
- 1...Bb7
- 2.Bd6#
- 1...Sf6
- 2.Rxg5#
- 1...Se7
- 2.Bg7#
- 1...d4
- 2.Bd6#
- 2.Re2#
- 1...d6
- 2.Rxd5#
- 1...c4!
- threat
- 1.Sg7?
- threat
- 2.Bd6#
- 2.Rxd5#
- 1...Qxf8
- 2.Rxd5#
- 1...c4
- 2.Sg4#
- 1...Qb6
- 2.Rxd5#
- 1...Qf6
- 2.Rxd5#
- 1...Qc7
- 2.Rxd5#
- 1...Qe7
- 2.Rxd5#
- 1...Rd4
- 2.Bd6#
- 1...Ra6
- 2.Rxd5#
- 1...Bb7
- 2.Bd6#
- 1...Sf6
- 2.Rxg5#
- 1...d4
- 2.Sg4#
- 2.Bd6#
- 2.Re2#
- 1...d6
- 2.Rxd5#
- 1...Se7!
- threat
- 1.Sxd8?
- threat
- 2.Bd6#
- 2.Rxd5#
- 1...Sxh6
- 2.Rxd5#
- 1...Rd4
- 2.Bd6#
- 1...Ra6
- 2.Rxd5#
- 1...Bb7
- 2.Bd6#
- 1...Sf6
- 2.Rxg5#
- 1...Se7
- 2.Bg7#
- 1...d4
- 2.Bd6#
- 2.Re2#
- 1...d6
- 2.Bxd6#
- 2.Rxd5#
- 1...c4!
- threat
- 1.Sg4+?
- 1...Kf5
- 2.Sg7#
- 2.Rxd5#
- 1...Rxg4!
- 1...Kf5
- 1.Rxg5+?
- 1...Kf6
- 2.Rf5#
- 1...Qxg5!
- 1...Kf6
- 1.Sd4?
- Keys
- 1.Sxc5!
- threat
- 2.Bd6#
- 2.Rxd5#
- 1...Qxf8
- 2.Rxd5#
- 1...Rxc5
- 2.Bd6#
- 1...Bxc5
- 2.Rxd5#
- 1...Sxh6
- 2.Rxd5#
- 1...Qb6
- 2.Rxd5#
- 1...Qf6
- 2.Rxd5#
- 1...Qc7
- 2.Rxd5#
- 1...Qe7
- 2.Rxd5#
- 1...Rd4
- 2.Bd6#
- 1...Ra6
- 2.Rxd5#
- 1...Bb7
- 2.Bd6#
- 1...Sf6
- 2.Rxg5#
- 1...Se7
- 2.Bg7#
- 1...d4
- 2.Sd3#
- 2.Bd6#
- 2.Re2#
- 1...d6
- 2.Rxd5#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 2
- Sets
- B(a);S_CUTR(b)::R(B)
- S(l);SBLOCK,S_CUTQ(k)::R(F),XP(g)
- P(d);S_CUTR(b)::R(B)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(k);XB(I)::S(G)
- R(b);P_PINR(B),XS(E)::B(I)
- S(l);XS(G)::B(I)
- P(d);SBLOCK,XS(E)::R(B)
- Q(k);::S(G)
- R(c);::S(G)
- S(l);SBLOCK,S_CUTQ(k)::R(F),XP(g)
- P(d);::S(G)
- Refutation
- P(h);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(k);XB(I)::R1(B),XP(e)
- S(l);XS(G)::R1(B),XP(e)
- Q(k);::R1(B),XP(e)
- R(b);P_PINR(B)::B(I)
- R(c);::R1(B),XP(e)
- B(j);::B(I)
- S(l);SBLOCK,S_CUTQ(k)::R(F),XP(g)
- S(l);N_GUARD,S_CUTQ(k)::B(I)
- P(h);::R1(B),XP(e)
- Refutation
- P(d);
- Try
- S(E);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(k);XB(I)::R1(B),XP(e)
- S(l);XS(G)::R1(B),XP(e)
- Q(k);::R1(B),XP(e)
- R(b);P_PINR(B)::B(I)
- R(c);::R1(B),XP(e)
- B(j);::B(I)
- S(l);N_GUARD,S_CUTQ(k)::B(I)
- P(d);S_CUTR(b)::P(C)
- P(h);::R1(B),XP(e)
- Refutation
- S(l);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(k);XS(E)::R1(B),XP(e)
- Q(k);XB(I)::R1(B),XP(e)
- S(l);XS(G)::R1(B),XP(e)
- Q(k);::R1(B),XP(e)
- R(b);P_PINR(B)::B(I)
- R(c);::R1(B),XP(e)
- B(j);::B(I)
- S(l);SBLOCK,S_CUTQ(k)::R(F),XP(g)
- S(l);N_GUARD,S_CUTQ(k)::B(I)
- P(h);::R1(B),XP(e)
- Refutation
- P(d);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(k);XB(I)::R1(B),XP(e)
- P(d);S_CUTR(b)::S(G)
- Q(k);::R1(B),XP(e)
- R(b);P_PINR(B)::B(I)
- R(c);::R1(B),XP(e)
- B(j);::B(I)
- S(l);SBLOCK,S_CUTQ(k)::R(F),XP(g)
- P(h);::R1(B),XP(e)
- Refutation
- S(l);
- Try
- S(E);XQ(k)
- Threat
- DUALS(2)
- Vars
- S(l);XS(G)::R1(B),XP(e)
- R(b);P_PINR(B)::B(I)
- R(c);::R1(B),XP(e)
- B(j);::B(I)
- S(l);SBLOCK::R(F),XP(g)
- S(l);N_GUARD::B(I)
- Refutation
- P(d);
- Try
- S(G);CHECK
- Refutation
- R(b);XS(G)
- Try
- R(F);CHECK,XP(g)
- Vars
- K(f);S_FLIGHT::R1(F)
- Refutation
- Q(k);XR(F)
- Try
- Actual
- S(E);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(k);XB(I)::R1(B),XP(e)
- R(c);XS(E)::B(I)
- B(a);XS(E)::R1(B),XP(e)
- S(l);XS(G)::R1(B),XP(e)
- Q(k);::R1(B),XP(e)
- R(b);P_PINR(B)::B(I)
- R(c);::R1(B),XP(e)
- B(j);::B(I)
- S(l);SBLOCK,S_CUTQ(k)::R(F),XP(g)
- S(l);N_GUARD,S_CUTQ(k)::B(I)
- P(h);::R1(B),XP(e)
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).