MESON Chess Problem Database
Problem Display
PID: 136365 (3R4/2K1p3/1P2P3/1pk3p1/prNpBN2/1b2P3/8/3R2B1 w - - 0 1)
Casa, Alex
L'Italia Scacchistica, 2002
#2
10 + 8
| 6490 | yacpdb | 2010 |
| 5454 | Near Snap | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rxc4
- 2.Sd3#
- 1...Bxc4
- 2.exd4#
- 1...bxc4
- 2.Rd5#
- 1...Rxc4
- Tries
- 1.Sb2?
- threat
- 2.Sfd3#
- 1...Bc2
- 2.Rd5#
- 1...Bc4
- 2.exd4#
- 1...d3
- 2.Sfxd3#
- 1...gxf4!
- threat
- 1.Sd2?
- threat
- 2.Sd3#
- 1...Bc2
- 2.Rd5#
- 1...Bc4
- 2.exd4#
- 1...d3
- 2.Sxd3#
- 1...gxf4!
- threat
- 1.Sa3?
- threat
- 2.Sd3#
- 1...Bc2
- 2.Rd5#
- 1...Bc4
- 2.exd4#
- 1...d3
- 2.Sxd3#
- 1...gxf4!
- threat
- 1.Sa5?
- threat
- 2.Sd3#
- 1...Bc2
- 2.Rd5#
- 1...Bc4
- 2.Sb7#
- 2.exd4#
- 1...d3
- 2.Sxd3#
- 1...gxf4!
- threat
- 1.Se5?
- threat
- 2.Sfd3#
- 1...Bc2
- 2.Rd5#
- 1...Bc4
- 2.Sd7#
- 2.exd4#
- 1...d3
- 2.Sfxd3#
- 1...gxf4!
- threat
- 1.Bd3?
- threat
- 2.Rd5#
- 2.exd4#
- 1...Bxc4
- 2.exd4#
- 1...dxe3
- 2.Bxe3#
- 2.Rd5#
- 1...bxc4
- 2.Rd5#
- 1...gxf4
- 2.exd4#
- 1...Rxc4!
- threat
- 1.Bd5?
- threat
- 2.Sd3#
- 2.exd4#
- 1...Rxc4
- 2.Sd3#
- 1...Bxc4
- 2.exd4#
- 1...dxe3
- 2.Bxe3#
- 1...gxf4
- 2.exd4#
- 1...Bc2
- 2.exd4#
- 1...d3
- 2.Sxd3#
- 2.e4#
- 1...bxc4!
- threat
- 1.Rc1?
- threat
- 2.Sd3#
- 2.Rd5#
- 2.exd4#
- 1...Rxc4
- 2.Sd3#
- 1...dxe3
- 2.Sd3#
- 2.Bxe3#
- 2.Rd5#
- 1...bxc4
- 2.Rd5#
- 1...gxf4
- 2.Rd5#
- 2.exd4#
- 1...d3
- 2.Sxd3#
- 2.Rd5#
- 1...Bc2!
- threat
- 1.R1xd4?
- threat
- 2.Sd3#
- 2.R8d5#
- 1...Rxc4
- 2.Sd3#
- 1...bxc4
- 2.R4d5#
- 2.R8d5#
- 1...gxf4
- 2.R8d5#
- 1...Bc2
- 2.R8d5#
- 1...Bxc4!
- threat
- 1.Rd6?
- threat
- 2.Rc6#
- 1...Kxc4
- 2.Rc6#
- 1...Rxc4
- 2.Sd3#
- 1...bxc4
- 2.Rd5#
- 1...exd6!
- threat
- 1.Rc8?
- threat
- 2.Kb7#
- 2.Kd7#
- 2.Kb8#
- 2.Kd8#
- 1...Kxc4
- 2.Kb7#
- 2.Kd7#
- 2.Kb8#
- 2.Kd8#
- 1...Rxc4
- 2.Sd3#
- 1...Bxc4
- 2.exd4#
- 1...bxc4!
- threat
- 1.Sb2?
- Keys
- 1.Kb7!
- threat
- 2.Rc8#
- 1...Kxc4
- 2.Rc8#
- 1...Rxc4
- 2.Sd3#
- 1...Bxc4
- 2.exd4#
- 1...bxc4
- 2.Rd5#
- threat
- 1.Kb7!
Anticipated by 42054(1984)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK,XS(D)::S(F)
- B(a);SBLOCK,XS(D)::P(C),XP(d)
- P(e);SBLOCK,XS(D)::R1(J)
- Tries
- Try
- S(D);
- Threat
- S(F)
- Vars
- B(a);N_GUARD::R1(J)
- B(a);S_CUTR(c)::P(C),XP(d)
- P(d);::S(F),XP(d)
- Refutation
- P(g);XS(F)
- Try
- S(D);
- Threat
- S(F)
- Vars
- B(a);N_GUARD::R1(J)
- B(a);S_CUTR(c)::P(C),XP(d)
- P(d);::S(F),XP(d)
- Refutation
- P(g);XS(F)
- Try
- S(D);
- Threat
- S(F)
- Vars
- B(a);N_GUARD::R1(J)
- B(a);S_CUTR(c)::P(C),XP(d)
- P(d);::S(F),XP(d)
- Refutation
- P(g);XS(F)
- Try
- S(D);
- Threat
- S(F)
- Vars
- B(a);N_GUARD::R1(J)
- P(d);::S(F),XP(d)
- Refutation
- P(g);XS(F)
- Try
- S(D);
- Threat
- S(F)
- Vars
- B(a);N_GUARD::R1(J)
- P(d);::S(F),XP(d)
- Refutation
- P(g);XS(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(a);XS(D)::P(C),XP(d)
- P(e);XS(D)::R1(J)
- P(g);XS(F)::P(C),XP(d)
- Refutation
- R(c);XS(D)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(c);XS(D)::S(F)
- B(a);XS(D)::P(C),XP(d)
- P(d);OGATE,P_SPINP(d),XP(C)::B(B),XP(d)
- P(g);XS(F)::P(C),XP(d)
- B(a);::P(C),XP(d)
- Refutation
- P(e);XS(D)
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- R(c);P_SPINR(c),XS(D)::S(F)
- P(e);P_SPINP(e),XS(D)::R1(J)
- Refutation
- B(a);
- Try
- R(A);XP(d)
- Threat
- DUALS(2)
- Vars
- R(c);XS(D)::S(F)
- P(g);XS(F)::R1(J)
- B(a);::R1(J)
- Refutation
- B(a);XS(D)
- Try
- R(J);
- Threat
- R1(J)
- Vars
- K(f);P-FLIGHT,XS(D)::R(J)
- R(c);SBLOCK,XS(D)::S(F)
- P(e);SBLOCK,XS(D)::R1(J)
- Refutation
- P(h);XR(J)
- Try
- R(J);
- Threat
- DUALS(4)
- Vars
- R(c);SBLOCK,XS(D)::S(F)
- B(a);SBLOCK,XS(D)::P(C),XP(d)
- Refutation
- P(e);XS(D)
- Try
- Actual
- K(I);P-FLIGHT
- Threat
- R(J)
- Vars
- K(f);P-FLIGHT,XS(D)::R(J)
- R(c);SBLOCK,XS(D)::S(F)
- B(a);SBLOCK,XS(D)::P(C),XP(d)
- P(e);P_PINP(G),SBLOCK,XS(D)::R1(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).