MESON Chess Problem Database
Problem Display
PID: 230899 (2b2N2/4Kp2/7p/1p2kB2/2Pp3r/5Q1n/1N6/3r4 w - - 0 1)
Armeni, Alberto
Kudesnik, 2012
#2
6 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd3#
- 1...Rb1
- 2.Sd3#
- 1...Rc1
- 2.Sd3#
- 1...Re1
- 2.Sd3#
- 1...Rf1
- 2.Sd3#
- 1...Rg1
- 2.Sd3#
- 1...Rh1
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Qd5#
- 1...Rh5
- 2.Qe4#
- 1...Ba6
- 2.Sd7#
- 1...Bb7
- 2.Sd7#
- 1...Bd7
- 2.Sxd7#
- 1...Sf4
- 2.Qe4#
- 1...bxc4
- 2.Sxc4#
- 1...f6
- 2.Sg6#
- 1...Ra1
- Tries
- 1.Bb1?
- threat
- 2.Qf6#
- 1...Rxb1
- 2.Sd3#
- 1...bxc4
- 2.Sxc4#
- 1...Rf1
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rf4
- 2.Qd5#
- 1...Bf5
- 2.Qxf5#
- 1...Sf4
- 2.Qe4#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 1...d3!
- threat
- 1.Bc2?
- threat
- 2.Qf6#
- 1...bxc4
- 2.Sxc4#
- 1...Rf1
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rf4
- 2.Qd5#
- 1...Bf5
- 2.Qxf5#
- 1...Sf4
- 2.Qe4#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 1...d3!
- threat
- 1.Bd3?
- threat
- 2.Qf6#
- 1...Rxd3
- 2.Sxd3#
- 1...bxc4
- 2.Sxc4#
- 1...Rf4
- 2.Qd5#
- 1...Bf5
- 2.Qxf5#
- 1...Sf4
- 2.Qe4#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- 1...Rf1!
- threat
- 1.Bg6?
- threat
- 2.Qf6#
- 1...bxc4
- 2.Sxc4#
- 1...fxg6
- 2.Sxg6#
- 1...Rf1
- 2.Sd3#
- 1...Rf4
- 2.Qd5#
- 1...Bf5
- 2.Qxf5#
- 1...Sf4
- 2.Qe4#
- 1...f6
- 2.Qxf6#
- 1...f5!
- threat
- 1.Bb1?
- Keys
- 1.Bh7!
- threat
- 2.Qf6#
- 1...bxc4
- 2.Sxc4#
- 1...Rf1
- 2.Sd3#
- 1...Rf4
- 2.Qd5#
- 1...Bf5
- 2.Qxf5#
- 1...Sf4
- 2.Qe4#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 2.Qxf6#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::QAR1(B)
- R(d);N_GUARD::QAR1(B)
- B(i);N_GUARD::S(F)
- B(i);N_GUARD::S(F),XB(i)
- S(b);S_CUTR(d)::QAR1(B)
- P(e);XP(C)::S(A),XP(e)
- P(h);N_GUARD::S(F)
- Tries
- Try
- B(D);
- Threat
- QAB1(B)
- Vars
- R(a);N_GUARD,XB(D)::S(A)
- P(e);XP(C)::S(A),XP(e)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(d);SBLOCK::QAR1(B)
- B(i);N_GUARD::QAR1(B),XB(i)
- S(b);S_CUTR(d)::QAR1(B)
- P(h);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- QAB1(B)
- Vars
- P(e);XP(C)::S(A),XP(e)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(d);SBLOCK::QAR1(B)
- B(i);N_GUARD::QAR1(B),XB(i)
- S(b);S_CUTR(d)::QAR1(B)
- P(h);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- QAB1(B)
- Vars
- R(a);XB(D)::S(A),XR(a)
- P(e);XP(C)::S(A),XP(e)
- R(d);SBLOCK::QAR1(B)
- B(i);N_GUARD::QAR1(B),XB(i)
- S(b);S_CUTR(d)::QAR1(B)
- P(h);N_GUARD::S(F)
- Refutation
- R(a);
- Try
- B(D);
- Threat
- QAB1(B)
- Vars
- P(e);XP(C)::S(A),XP(e)
- P(h);XB(D)::S(F),XP(h)
- R(a);N_GUARD::S(A)
- R(d);SBLOCK::QAR1(B)
- B(i);N_GUARD::QAR1(B),XB(i)
- S(b);S_CUTR(d)::QAR1(B)
- P(h);::QAB1(B),XP(h)
- Refutation
- P(h);
- Try
- Actual
- B(D);
- Threat
- QAB1(B)
- Vars
- P(e);XP(C)::S(A),XP(e)
- R(a);N_GUARD::S(A)
- R(d);SBLOCK::QAR1(B)
- B(i);N_GUARD::QAR1(B),XB(i)
- S(b);S_CUTR(d)::QAR1(B)
- P(h);N_GUARD::S(F)
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).