MESON Chess Problem Database
Problem Display
PID: 141869 (1n2K3/1RP1pN2/1Bk2p2/2N5/1b2b3/1Qnr4/8/5B2 w - - 0 1)
Velimirovic, Milan
2nd Place, Liga Problemista, 1983/2
#2
8 + 8
| 6490 | yacpdb | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Re3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rf3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rh3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd4
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd7
- 2.cxb8S#
- 1...Rd8+
- 2.cxd8S#
- 1...Ba3
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Ba5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bxc5
- 2.c8Q#
- 1...Sb5
- 2.cxb8S#
- 1...Sd5
- 2.Qa4#
- 1...Rd1
- Tries
- 1.Se5+?
- 1...Kb5
- 2.Qc4#
- 1...Kd6
- 2.Qe6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...fxe5!
- 1...Kb5
- 1.Bxd3?
- threat
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bxc5
- 2.c8Q#
- 1...Ba3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Ba5
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bh1
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bg2
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bf3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bd5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bf5
- 2.cxb8S#
- 1...Bg6
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bh7
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sb1
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa2
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Se2
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa4
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sb5
- 2.Bxe4#
- 2.cxb8S#
- 1...Sd5
- 2.Qa4#
- 2.cxb8S#
- 1...Sa6
- 2.Qe6#
- 1...Sd7
- 2.Qe6#
- 2.c8Q#
- 2.c8R#
- 1...f5
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...e5
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...e6
- 2.Qxe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bxd3!
- threat
- 1.Ba7?
- threat
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd8+
- 2.cxd8S#
- 1...Bxc5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Re3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rf3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rh3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd4
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd7
- 2.cxb8S#
- 1...Ba3
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Ba5
- 2.cxb8S#
- 1...Bh1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bg2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bf3
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bd5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bf5
- 2.cxb8S#
- 1...Bg6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bh7
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sb1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Se2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa4
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sb5
- 2.cxb8S#
- 1...Sd5
- 2.Qa4#
- 2.cxb8S#
- 1...Sd7
- 2.c8Q#
- 2.c8R#
- 1...f5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...e5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...e6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa6!
- threat
- 1.Qc4?
- threat
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd8+
- 2.cxd8S#
- 1...Bxc5
- 2.c8Q#
- 1...Rd1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Re3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rf3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rh3
- 2.Qe6#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd4
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Rd7
- 2.cxb8S#
- 1...Ba3
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Ba5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bh1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bg2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bf3
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bd5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bf5
- 2.cxb8S#
- 1...Bg6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Bh7
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sb1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sd1
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Se2
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa4
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sb5
- 2.cxb8S#
- 1...Sd5
- 2.cxb8S#
- 1...Sd7
- 2.c8Q#
- 2.c8R#
- 1...f5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...e5
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...e6
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Sa6!
- threat
- 1.Qe6+?
- 1...Rd6
- 2.Sd8#
- 2.cxb8S#
- 2.c8Q#
- 2.c8R#
- 1...Kb5!
- 1...Rd6
- 1.Se5+?
- Keys
- 1.c8S!
- threat
- 2.Sa7#
- 1...Rd8+
- 2.Sxd8#
- 1...Kb5
- 2.Sa7#
- 1...Bxc5
- 2.Rc7#
- 1...Sb5
- 2.Sxe7#
- threat
- 1.c8S!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(b);::PXS(h)=S
- R(b);CHECK,OGATE::PXR(b)=S
- B(c);XS(C)::P=Q
- S(a);SBLOCK::PXS(h)=S
- S(a);N_GUARD,SBLOCK::QAB(B)
- Tries
- Try
- S(G);CHECK
- Vars
- K(e);P_SPINB(c),P_SPINR(b),S_FLIGHT::QAB1(B)
- Refutation
- P(f);XS(G)
- Try
- B(A);XR(b)
- Threat
- DUALS(4)
- Vars
- B(c);XS(C)::P=Q
- B(d);::PXS(h)=S
- S(h);::QAR2(B)
- Refutation
- B(d);XB(A)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- R(b);CHECK,OGATE::PXR(b)=S
- R(b);::PXS(h)=S
- B(c);::PXS(h)=S
- B(d);::PXS(h)=S
- S(a);::PXS(h)=S
- S(h);::P=Q
- Refutation
- S(h);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- R(b);CHECK,OGATE::PXR(b)=S
- B(c);P_SPINB(c),XS(C)::P=Q
- R(b);::PXS(h)=S
- B(d);::PXS(h)=S
- S(a);::PXS(h)=S
- S(h);::P=Q
- Refutation
- S(h);
- Try
- Q(B);CHECK
- Refutation
- K(e);P_SPINR(b),S_FLIGHT
- Try
- Actual
- P(F);
- Threat
- S(F)
- Vars
- R(b);CHECK,N_GUARD::S(G),XR(b)
- K(e);P_SPINB(c),P_SPINR(b),S_FLIGHT::S(F)
- B(c);XS(C)::R1(E)
- S(a);SBLOCK::S(F),XP(g)
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).