MESON Chess Problem Database
Problem Display
PID: 102816 (2b5/b6K/3pB1Nn/r5R1/2P1kP2/3R1p1N/2P2Bnq/4r3 w - - 0 1)
Bruch, Wieland
2nd Prize, Neue Osnabrucker Zeitung, 1999-2000
#2
10 + 10
| 23 | Die Schwalbe | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bd5#
- 1...Ra2
- 2.Bd5#
- 1...Ra3
- 2.Bd5#
- 1...Ra4
- 2.Bd5#
- 1...Rc5
- 2.Rd4#
- 1...Rd5
- 2.Bxd5#
- 1...Rxg5
- 2.Sxg5#
- 1...Ra6
- 2.Bd5#
- 1...Bxf2
- 2.Sxf2#
- 1...Bd4
- 2.Rxd4#
- 1...Bc5
- 2.Bd5#
- 1...Bb8
- 2.Rd4#
- 1...d5
- 2.Re5#
- 1...Ra1
- Tries
- 1.Bc5?
- threat
- 2.Sf2#
- 2.Bd5#
- 1...Qxh3
- 2.Bd5#
- 1...Rxc5
- 2.Sf2#
- 1...Bxc5
- 2.Bd5#
- 1...Bxe6
- 2.Sf2#
- 1...Qg1
- 2.Bd5#
- 1...Qg3
- 2.Bd5#
- 1...Rf1
- 2.Bd5#
- 1...Re2
- 2.Bd5#
- 1...Bb7
- 2.Sf2#
- 1...Se3
- 2.Rd4#
- 1...Sh4
- 2.Bd5#
- 1...Sg4
- 2.Bd5#
- 1...Sf5
- 2.Bd5#
- 1...Sf7
- 2.Bd5#
- 1...Sg8
- 2.Bd5#
- 1...f2
- 2.Sxf2#
- 2.Bd5#
- 1...d5
- 2.Sf2#
- 2.Bxd5#
- 2.Re5#
- 1...Sxf4!
- threat
- 1.Re5+?
- 1...dxe5
- 2.Sg5#
- 1...Rxe5!
- 1...dxe5
- 1.c5?
- threat
- 2.Bd5#
- 2.Rd4#
- 1...Rxc5
- 2.Rd4#
- 1...Bxc5
- 2.Bd5#
- 1...Bxe6
- 2.Rd4#
- 1...Sxf4
- 2.Rd4#
- 1...dxc5
- 2.Bd5#
- 2.Re5#
- 1...Rd1
- 2.Bd5#
- 1...Re3
- 2.Bd5#
- 1...Ra4
- 2.Bd5#
- 1...Bb7
- 2.Rd4#
- 1...Sf5
- 2.Bd5#
- 1...d5
- 2.Bxd5#
- 2.Rd4#
- 2.Re5#
- 1...Se3!
- threat
- 1.Bc5?
- Keys
- 1.Rc5!
- threat
- 2.Sg5#
- 2.Rd4#
- 1...Qxf4
- 2.Rd4#
- 1...Qxh3
- 2.Rd4#
- 1...Rxc5
- 2.Rd4#
- 1...Bxc5
- 2.Sg5#
- 1...dxc5
- 2.Sg5#
- 1...Qg3
- 2.Rd4#
- 1...Rd1
- 2.Sg5#
- 1...Re3
- 2.Sg5#
- 1...Se3
- 2.Sg5#
- 1...Sg4
- 2.Rd4#
- 1...Sf5
- 2.Bd5#
- 1...Sf7
- 2.Rd4#
- 1...Sg8
- 2.Rd4#
- threat
- 1.Rc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 11
- Sets
- R(f);N_GUARD::B(H)
- R(f);S_CUTB(i)::R1(C)
- R(f);N_GUARD::B(H),XR(f)
- R(f);XR(G)::S(D),XR(f)
- B(i);XB(B)::S(D),XB(i)
- B(i);N_GUARD::R1(C),XB(i)
- B(i);S_CUTR(f)::B(H)
- B(i);N_GUARD::R1(C)
- P(g);N_GUARD,S_CUTR(f)::R1(G)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(c);XS(D)::B(H)
- R(f);XB(B)::S(D)
- B(i);XB(B)::B(H)
- B(j);XB(H)::S(D)
- Q(c);::B(H)
- R(a);::B(H)
- B(j);::S(D)
- S(b);SBLOCK::R1(C)
- S(b);::B(H)
- S(h);P_PINS(D)::B(H)
- Refutation
- S(b);XP(F)
- Try
- R(G);CHECK
- Vars
- P(g);XR(G)::S(D)
- Refutation
- R(f);XR(G)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- R(f);XP(E)::R1(C)
- B(i);XP(E)::B(H)
- B(j);XB(H)::R1(C)
- S(b);XP(F)::R1(C)
- R(a);::B(H)
- R(f);::B(H)
- B(j);::R1(C)
- S(h);P_PINS(D)::B(H)
- Refutation
- S(b);
- Try
- Actual
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(c);XP(F)::R1(C)
- Q(c);XS(D)::R1(C)
- R(f);XR(G)::R1(C)
- B(i);XR(G)::S(D)
- P(g);XR(G)::S(D)
- Q(c);::R1(C)
- R(a);::S(D)
- S(b);::S(D)
- S(h);P_PINS(D)::R1(C)
- S(h);P_PINS(D),SBLOCK::B(H)
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).