MESON Chess Problem Database
Problem Display
PID: 103433 (3R2bb/K3B2p/1R4pQ/2n1kN1n/p1r1P1p1/2P5/5N2/1B4r1 w - - 0 1)
Aleksandrov, Vladimir Aleksandrovich
Slovensky Dennik, 1992
#2
10 + 11
| 6490 | yacpdb | 2009 |
| 15148 | Sadier Collection | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sxg4#
- 1...Rd1
- 2.Sxg4#
- 1...Re1
- 2.Sxg4#
- 1...Rf1
- 2.Sxg4#
- 1...Rh1
- 2.Sxg4#
- 1...Rd4
- 2.cxd4#
- 1...Bd5
- 2.Rxd5#
- 1...Se6
- 2.Rd5#
- 1...Sg3
- 2.Sxg4#
- 1...Sg7
- 2.Bf6#
- 1...g3
- 2.Sg4#
- 1...gxf5
- 2.Bd6#
- 2.Qd6#
- 1...g5
- 2.Bd6#
- 2.Qd6#
- 1...Rc1
- Tries
- 1.Sg3?
- threat
- 2.Sxg4#
- 2.Qg5#
- 1...Rxg3
- 2.Qg5#
- 1...Rxe4
- 2.Qg5#
- 1...Sxe4
- 2.Sd3#
- 2.Sxg4#
- 1...Sxg3
- 2.Sxg4#
- 1...g5
- 2.Bd6#
- 2.Qxg5#
- 2.Qd6#
- 1...Bf6
- 2.Sxg4#
- 1...Se6
- 2.Sd3#
- 2.Sxg4#
- 2.Rd5#
- 1...Sf6
- 2.Qg5#
- 1...Sg7
- 2.Sxg4#
- 2.Bf6#
- 1...Be6!
- threat
- 1.Sg7?
- threat
- 2.Qg5#
- 1...Sxe4
- 2.Sd3#
- 1...Sxg7
- 2.Bf6#
- 1...g5
- 2.Bd6#
- 2.Qxg5#
- 2.Qd6#
- 1...Se6
- 2.Rd5#
- 1...Sg3
- 2.Sxg4#
- 2.Bf6#
- 1...Be6!
- threat
- 1.Qg5?
- threat
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sh6#
- 2.Sg7#
- 1...Sxe4
- 2.Sd3#
- 1...gxf5
- 2.Qxf5#
- 1...Be6
- 2.Bd6#
- 1...Rg3
- 2.Se3#
- 2.Sxg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sh6#
- 2.Sg7#
- 1...Rd4
- 2.Se3#
- 2.Sg3#
- 2.Sxd4#
- 2.Sh4#
- 2.Sh6#
- 2.Sg7#
- 2.cxd4#
- 1...Bg7
- 2.Se3#
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sh6#
- 2.Sxg7#
- 1...Se6
- 2.Bd6#
- 2.Rd5#
- 1...Sg3
- 2.Sxg4#
- 2.Sxg3#
- 1...Sg7
- 2.Sxg7#
- 2.Bf6#
- 1...g3
- 2.Sg4#
- 2.Se3#
- 2.Sxg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sh6#
- 2.Sg7#
- 1...h6
- 2.Sxh6#
- 1...Bf6!
- threat
- 1.Sg3?
- Keys
- 1.Sd4!
- threat
- 2.Qg5#
- 1...Sxe4
- 2.Sd3#
- 1...g5
- 2.Bd6#
- 2.Qxg5#
- 2.Qd6#
- 1...Be6
- 2.Sc6#
- 1...Bf6
- 2.Bd6#
- 1...Se6
- 2.Rd5#
- 1...Sg3
- 2.Sxg4#
- 1...Sg7
- 2.Bf6#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::S(B),XP(d)
- R(c);OGATE::P(C),XR(c)
- B(j);N_GUARD::R1(J),XB(j)
- S(e);S_CUTB(j)::R1(J)
- S(g);S_CUTR(a)::S(B),XP(d)
- S(g);N_GUARD,S_CUTB(k)::B(I)
- P(d);S_CUTR(a)::S(B)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(a);XS(E)::QAR2(G)
- R(c);XP(D)::QAR2(G)
- S(g);XS(E)::S(B),XP(d)
- B(k);::S(B),XP(d)
- S(g);::QAR2(G)
- Refutation
- B(j);
- Try
- S(E);
- Threat
- QAR2(G)
- Vars
- S(e);N_GUARD,SBLOCK,XP(D)::S(B)
- S(g);N_GUARD,XS(E)::B(I)
- S(e);S_CUTB(j)::R1(J)
- Refutation
- B(j);
- Try
- Q(G);
- Threat
- DUALS(6)
- Vars
- S(e);N_GUARD,SBLOCK,XP(D)::S(B)
- P(h);OGATE,P_SPINP(h),XS(E)::QAR1(G),XP(h)
- B(j);SBLOCK::B(I)
- P(i);::QAR(G)+S(E),XP(i)
- Refutation
- B(k);
- Try
- Actual
- S(E);
- Threat
- QAR2(G)
- Vars
- S(e);N_GUARD,SBLOCK,XP(D)::S(B)
- B(j);SBLOCK::S(E)
- B(k);SBLOCK::B(I)
- S(e);S_CUTB(j)::R1(J)
- S(g);S_CUTR(a)::S(B),XP(d)
- S(g);N_GUARD,S_CUTB(k)::B(I)
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).