MESON Chess Problem Database
Problem Display
PID: 278160 (BB4N1/1r5p/1pQ1p1n1/1N3k1K/r4p2/1P1P4/2p1P3/2q3n1 w - - 0 1)
Vinagre, Jose Casimiro
Phenix, 2008
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd4#
- 2.Qe4#
- 1...Ra2
- 2.Sd4#
- 2.Qe4#
- 1...Ra3
- 2.Sd4#
- 2.Qe4#
- 1...Rd4
- 2.Sxd4#
- 1...Re4
- 2.Qxe4#
- 2.dxe4#
- 1...Ra5
- 2.Sd4#
- 2.Qe4#
- 1...Ra6
- 2.Sd4#
- 2.Qe4#
- 1...Raa7
- 2.Sd4#
- 2.Qe4#
- 1...Rxa8
- 2.Sd4#
- 2.Qe4#
- 1...Se5
- 2.Sd6#
- 1...e5
- 2.Sh6#
- 2.Qf6#
- 1...Ra1
- Tries
- 1.Qg2?
- threat
- 2.Qg4#
- 2.Qg5#
- 1...Rxb8
- 2.Qg5#
- 1...Rc7
- 2.Qg5#
- 1...e5
- 2.Qg4#
- 1...Sf3
- 2.Qh3#
- 2.Qg4#
- 1...Sh3
- 2.Qxh3#
- 2.Qg4#
- 1...Se5
- 2.Sd6#
- 2.Qg5#
- 1...h6
- 2.Qg4#
- 2.Qxg6#
- 1...f3!
- threat
- 1.Qd5+?
- 1...Se5
- 2.Sd6#
- 2.Qxe5#
- 1...e5
- 2.Sd6#
- 1...exd5!
- 1...Se5
- 1.Qc3?
- threat
- 2.Sd6#
- 2.Sh6#
- 2.Qf6#
- 1...Qb2
- 2.Sd6#
- 2.Sh6#
- 1...Qa3
- 2.Sh6#
- 2.Qf6#
- 1...Qa1
- 2.Sd6#
- 2.Sh6#
- 1...Rd4
- 2.Sxd4#
- 1...Rd7
- 2.Sh6#
- 2.Qf6#
- 1...Rf7
- 2.Sd6#
- 2.Sh6#
- 1...Se5
- 2.Sd6#
- 2.Qxe5#
- 1...f3
- 2.Qf6#
- 1...h6
- 2.Sd6#
- 2.Sxh6#
- 2.Qf6#
- 1...e5!
- threat
- 1.e4+?
- 1...Rxe4
- 2.Qxe4#
- 2.dxe4#
- 1...fxe4 ep!
- 1...Rxe4
- 1.bxa4?
- threat
- 2.Sd4#
- 2.Qe4#
- 1...Rxb8
- 2.Qe4#
- 1...Sxe2
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Qb2
- 2.Qe4#
- 1...Qa1
- 2.Qe4#
- 1...Rd7
- 2.Qe4#
- 1...Sf3
- 2.Qe4#
- 1...e5
- 2.Sh6#
- 2.Qf6#
- 1...Qe3!
- threat
- 1.Qg2?
- Keys
- 1.d4!
- threat
- 2.Sd6#
- 1...Rxd4
- 2.Sxd4#
- 1...Qa3
- 2.Qxc2#
- 1...Rd7
- 2.Qe4#
- 1...f3
- 2.e4#
- 1...e5
- 2.Sh6#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD::S(D),XR(d)
- S(i);SBLOCK::S(D)
- Tries
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(j);XB(H)::QAR1(F)
- R(j);::QAR1(F)
- P(h);::QAB1(F)
- Refutation
- P(e);
- Try
- Q(F);CHECK
- Vars
- P(h);P_SPINP(h)::S(D)
- Refutation
- P(h);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- R(d);N_GUARD::S(D),XR(d)
- P(e);::QAR1(F)
- Refutation
- P(h);
- Try
- P(A);CHECK
- Refutation
- P(e);EP,XP(A)
- Try
- P(B);XR(d)
- Threat
- DUALS(2)
- Vars
- R(j);XB(H)::QAB1(F)
- S(b);XP(A)::QAB1(F)
- R(j);::QAB1(F)
- Q(a);::QAB1(F)
- S(b);::QAB1(F)
- Refutation
- Q(a);
- Try
- Actual
- P(C);
- Threat
- S(D)
- Vars
- R(d);XP(C)::S(D),XR(d)
- Q(a);N_GUARD::QAB(F),XP(c)
- R(j);::QAB1(F)
- P(e);N_GUARD::P(A)
- P(h);::S(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).