MESON Chess Problem Database
Problem Display
PID: 137013 (2q5/2N1B3/p1b1B3/5r2/2Pkp1Rp/3NpPpK/4P3/2R5 w - - 0 1)
Guida, Marco
2nd Prize, L'Italia Scacchistica, 2003
#2
10 + 9
| 23 | Die Schwalbe | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qxe6
- 2.Sxe6#
- 1...Rxf3
- 2.Bc5#
- 1...Rf4
- 2.Bc5#
- 1...Rc5
- 2.Bxc5#
- 1...Rd5
- 2.Rxe4#
- 1...Rf6
- 2.Bc5#
- 2.Bxf6#
- 1...Rf7
- 2.Bc5#
- 1...Rf8
- 2.Bc5#
- 1...Ba4
- 2.Rxe4#
- 1...Bb5
- 2.Rxe4#
- 1...Bd5
- 2.Bc5#
- 1...Bd7
- 2.Rxe4#
- 1...Be8
- 2.Rxe4#
- 1...Qxe6
- Tries
- 1.Sd5?
- threat
- 2.Bc5#
- 2.Rxe4#
- 1...Qxe6
- 2.Bc5#
- 1...Rxf3
- 2.Bc5#
- 1...Rxd5
- 2.Rxe4#
- 1...Qf8
- 2.Rxe4#
- 1...Rf4
- 2.Bc5#
- 1...Re5
- 2.Bc5#
- 1...Ba4
- 2.Rxe4#
- 1...Bb5
- 2.Rxe4#
- 1...Bb7
- 2.Rxe4#
- 1...Bd7
- 2.Rxe4#
- 1...Ba8
- 2.Rxe4#
- 1...Be8
- 2.Rxe4#
- 1...Bxd5!
- threat
- 1.Bd5?
- threat
- 2.Bc5#
- 2.Rxe4#
- 1...Rxf3
- 2.Bc5#
- 1...Bxd5
- 2.Bc5#
- 1...Qe6
- 2.Sxe6#
- 2.Bc5#
- 1...Qf8
- 2.Se6#
- 2.Rxe4#
- 1...Rf4
- 2.Bc5#
- 1...Re5
- 2.Bc5#
- 1...Rg5
- 2.Bc5#
- 1...Rh5
- 2.Bc5#
- 1...Rf6
- 2.Bc5#
- 2.Bxf6#
- 1...Rf7
- 2.Bc5#
- 1...Rf8
- 2.Bc5#
- 1...Rxd5!
- threat
- 1.Bxf5?
- threat
- 2.Bc5#
- 2.Bf6#
- 1...Qxc7
- 2.Bc5#
- 1...Qe6
- 2.Sxe6#
- 2.Bc5#
- 1...Qd8
- 2.Se6#
- 2.Bc5#
- 1...Qe8
- 2.Se6#
- 2.Bc5#
- 1...Qf8
- 2.Se6#
- 1...Qh8
- 2.Se6#
- 2.Bc5#
- 1...Qxf5!
- threat
- 1.Bxc8?
- threat
- 2.Se6#
- 1...Rf6
- 2.Bc5#
- 2.Bxf6#
- 1...Bd5
- 2.Bc5#
- 1...Bd7
- 2.Rxe4#
- 1...Re5!
- threat
- 1.Bf6+?
- 1...Re5
- 2.Bxe5#
- 1...Rxf6!
- 1...Re5
- 1.Sd5?
- Keys
- 1.Bb4!
- threat
- 2.Bc3#
- 1...Qxe6
- 2.Sxe6#
- 1...Rd5
- 2.Rxe4#
- 1...Bd5
- 2.Bc5#
- threat
- 1.Bb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(i);XB(H)::S(I),XQ(i)
- R(f);N_GUARD,XP(D)::B(J)
- R(f);N_GUARD,N_SPINP(d)::B(J)
- R(f);N_GUARD::B(J),XR(f)
- R(f);S_CUTB(h)::R1(G),XP(d)
- R(f);N_GUARD::B(J)
- B(h);N_GUARD::R1(G),XP(d)
- B(h);S_CUTR(f)::B(J)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(i);XB(H)::B(J)
- R(f);XP(D)::B(J)
- R(f);XS(I)::R1(G),XP(d)
- Q(i);::R1(G),XP(d)
- R(f);N_SPINP(d)::B(J)
- R(f);::B(J)
- B(h);::R1(G),XP(d)
- Refutation
- B(h);XS(I)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(f);P_PINR(G),XP(D)::B(J)
- B(h);XB(H)::B(J)
- R(f);N_SPINP(d),P_PINR(G)::B(J)
- R(f);P_PINR(G)::B(J)
- Refutation
- R(f);P_PINR(G),XB(H)
- Try
- B(H);XR(f)
- Threat
- DUALS(2)
- Vars
- Q(i);XS(I)::B(J)
- Q(i);N_GUARD::S(I)
- Refutation
- Q(i);P_PINR(G),XB(H)
- Try
- B(H);XQ(i)
- Threat
- S(I)
- Vars
- B(h);S_CUTR(f)::B(J)
- B(h);N_GUARD::R1(G),XP(d)
- Refutation
- R(f);
- Try
- B(J);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(J),XR(f)
- Refutation
- R(f);XB(J)
- Try
- Actual
- B(J);
- Threat
- B(J)
- Vars
- Q(i);XB(H)::S(I),XQ(i)
- R(f);S_CUTB(h)::R1(G),XP(d)
- B(h);S_CUTR(f)::B(J)
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).