MESON Chess Problem Database
Problem Display
PID: 107132 (6B1/4prQ1/8/1pppR3/1Pk2nNR/P1P5/1pK5/1Nb5 w - - 0 1)
Bastos, Heitor
Caissa, 1980
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Re4#
- 1...Rf6
- 2.Re4#
- 1...Rxg7
- 2.Re4#
- 1...Rf8
- 2.Re4#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Sxe3#
- 1...Se2
- 2.Se3#
- 1...Sg2
- 2.Se3#
- 1...Sd3
- 2.Se3#
- 1...Sh3
- 2.Se3#
- 1...Sh5
- 2.Se3#
- 1...Se6
- 2.Se3#
- 1...Sg6
- 2.Se3#
- 1...d4
- 2.Rxc5#
- 1...Rf5
- Tries
- 1.Re1?
- threat
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...Rf5
- 2.Re4#
- 1...e5
- 2.Sxe5#
- 1...d4!
- threat
- 1.Re2?
- threat
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...Rf5
- 2.Re4#
- 1...e5
- 2.Sxe5#
- 1...d4!
- threat
- 1.Re3?
- threat
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...Rf5
- 2.Re4#
- 1...e5
- 2.Sxe5#
- 1...d4!
- threat
- 1.Rxd5?
- threat
- 2.Rxc5#
- 1...Sxd5
- 2.Se3#
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...Be3
- 2.Sxe3#
- 1...Sd3
- 2.Se3#
- 1...Se6
- 2.Se3#
- 1...Kxd5!
- threat
- 1.Rf5?
- threat
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...d4
- 2.Rxc5#
- 1...e5
- 2.Sxe5#
- 1...Rxf5!
- threat
- 1.Rg5?
- threat
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...d4
- 2.Rxc5#
- 1...e5
- 2.Sxe5#
- 1...Rf5!
- threat
- 1.Reh5?
- threat
- 2.Se5#
- 1...cxb4
- 2.Qd4#
- 1...d4
- 2.Rxc5#
- 1...e5
- 2.Sxe5#
- 1...Rf5!
- threat
- 1.Re6?
- threat
- 2.Se5#
- 1...cxb4
- 2.Rc6#
- 2.Qd4#
- 1...Rf5
- 2.Re4#
- 1...d4!
- threat
- 1.Qh6?
- 1...cxb4
- 2.Qc6#
- 1...Se2
- 2.Se3#
- 1...Rf5
- 2.Re4#
- 1...Rf6
- 2.Re4#
- 1...Rg7
- 2.Re4#
- 1...Rh7
- 2.Re4#
- 1...Rf8
- 2.Re4#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Sxe3#
- 1...Sg2
- 2.Se3#
- 1...Sd3
- 2.Se3#
- 1...Sh3
- 2.Se3#
- 1...Sh5
- 2.Se3#
- 1...Se6
- 2.Se3#
- 1...Sg6
- 2.Se3#
- 1...d4
- 2.Rxc5#
- 1...e6!
- 1...cxb4
- 1.Qg6?
- 1...Sxg6
- 2.Se3#
- 1...cxb4
- 2.Qc6#
- 1...Rf5
- 2.Re4#
- 1...Rf6
- 2.Re4#
- 2.Qe4#
- 1...Rg7
- 2.Re4#
- 2.Qe4#
- 1...Rh7
- 2.Re4#
- 2.Qe4#
- 1...Rf8
- 2.Re4#
- 2.Qe4#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Sxe3#
- 1...Se2
- 2.Se3#
- 2.Qd3#
- 1...Sg2
- 2.Se3#
- 2.Qd3#
- 1...Sd3
- 2.Se3#
- 2.Qxd3#
- 1...Sh3
- 2.Se3#
- 2.Qd3#
- 1...Sh5
- 2.Se3#
- 2.Qd3#
- 1...Se6
- 2.Se3#
- 2.Qd3#
- 1...d4
- 2.Rxc5#
- 1...e6!
- 1...Sxg6
- 1.Re1?
- Keys
- 1.Qf8!
- 1...Rxf8
- 2.Re4#
- 1...cxb4
- 2.Qc8#
- 1...Se2
- 2.Se3#
- 1...Rf5
- 2.Re4#
- 1...Rf6
- 2.Re4#
- 1...Rg7
- 2.Re4#
- 1...Rh7
- 2.Re4#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Sxe3#
- 1...Sg2
- 2.Se3#
- 1...Sd3
- 2.Se3#
- 1...Sh3
- 2.Se3#
- 1...Sh5
- 2.Se3#
- 1...Se6
- 2.Se3#
- 1...Sg6
- 2.Se3#
- 1...d4
- 2.Rxc5#
- 1...e6
- 2.Qxc5#
- 1...Rxf8
- 1.Qf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(i);P_SPINP(g)::R(H)
- R(i);P_SPINP(g),XQ(I)::R(H)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::S(F),XB(a)
- S(d);::R(G)+S(F),DCHECK
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- Tries
- Try
- R(H);
- Threat
- S(F)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- R(i);P_SPINP(g)::R(H)
- P(h);::S(F),XP(h)
- Refutation
- P(g);P_SPINR(i)
- Try
- R(H);
- Threat
- S(F)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- R(i);P_SPINP(g)::R(H)
- P(h);::S(F),XP(h)
- Refutation
- P(g);P_SPINR(i)
- Try
- R(H);
- Threat
- S(F)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- R(i);P_SPINP(g)::R(H)
- P(h);::S(F),XP(h)
- Refutation
- P(g);P_SPINR(i)
- Try
- R(H);XP(g)
- Threat
- R1(H),XP(f)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- B(a);N_GUARD::S(F),XB(a)
- S(d);::R(G)+S(F),DCHECK
- Refutation
- K(c);P_SPINR(i),S_FLIGHT,XR(H)
- Try
- R(H);
- Threat
- S(F)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- P(h);::S(F),XP(h)
- Refutation
- R(i);P_SPINP(g),XR(H)
- Try
- R(H);
- Threat
- S(F)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- P(h);::S(F),XP(h)
- Refutation
- R(i);P_SPINP(g)
- Try
- R(H);
- Threat
- S(F)
- Vars
- P(f);N_GUARD,XP(E)::QAR1(I)
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- P(h);::S(F),XP(h)
- Refutation
- R(i);P_SPINP(g)
- Try
- R(H);
- Threat
- S(F)
- Vars
- R(i);S_CUTP(g),S_CUTP(g)::R(H)
- Refutation
- P(g);
- Try
- Q(I);
- Vars
- P(f);OGATEB,XP(E)::QAR2(I)
- S(d);::R(G)+S(F),DCHECK
- R(i);P_SPINP(g)::R(H)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::S(F),XB(a)
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- Refutation
- P(h);
- Try
- Q(I);
- Vars
- S(d);XQ(I)::R(G)+S(F),DCHECK
- P(f);OGATEB,XP(E)::QAR2(I)
- R(i);P_SPINP(g)::R(H)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::S(F),XB(a)
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- Refutation
- P(h);
- Try
- Actual
- Q(I);
- Vars
- R(i);P_SPINP(g),XQ(I)::R(H)
- P(f);OGATEB,XP(E)::QAR(I)
- S(d);::R(G)+S(F),DCHECK
- R(i);P_SPINP(g)::R(H)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::S(F),XB(a)
- P(g);OGATE,P_SPINR(i)::R1(H),XP(f)
- P(h);OGATE::QAR1(I),XP(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).