MESON Chess Problem Database
Problem Display
PID: 70958 (7R/2p1B1n1/p1k1P1B1/K1Nb4/2p2P2/1N6/2n5/5Q2 w - - 0 1)
Abela de la Torre, Aurelio
Source?, 0000
#2
9 + 7
| 5656 | Sammlung Leichterer Schachaufgaben I (Dufresne) | 1881 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Sxe6
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...cxb3
- 2.Qxa6#
- 1...c3
- 2.Qxa6#
- 1...Bh1
- Tries
- 1.Bf8?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rh1?
- 1...Bxh1
- 2.Qxh1#
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Bxh1
- 1.Rh2?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rh3?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rh4?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rh5?
- 1...Sxh5
- 2.Be8#
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Sa1
- 2.Sd4#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxh5
- 1.Rh7?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Ra8?
- threat
- 2.Rxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sb4
- 2.Sd4#
- 1...Bxe6!
- threat
- 1.Rb8?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rc8?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rd8?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Sa1
- 2.Sd4#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rf8?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Rg8?
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6!
- 1...Sxe6
- 1.Bf8?
- Keys
- 1.Rh6!
- 1...Bxe6
- 2.Be4#
- 1...Sxe6
- 2.Be8#
- 1...cxb3
- 2.Qxa6#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Be4
- 2.Bxe4#
- 1...Sa1
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...Sa3
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf5
- 2.Be8#
- 1...Sh5
- 2.Be8#
- 1...Se8
- 2.Bxe8#
- 1...c3
- 2.Qxa6#
- 1...Bxe6
- 1.Rh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD,XP(F)::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- P(b);OGATE::QAR2(A),XP(d)
- Tries
- Try
- B(H);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- B(c);OGATE,XR(I)::QAB(A),XB(c)
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XR(I)::B(G)
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- S(a);N_GUARD::S(B)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Threat
- R(I),XP(d)
- Vars
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);P_PINP(f)
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- S(a);N_GUARD::S(B)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- R(I);
- Vars
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
- Refutation
- B(c);XP(F)
- Try
- Actual
- R(I);
- Vars
- B(c);OGATEB,XP(F)::B(G)
- S(g);N_GUARD,XP(F)::B(G)
- P(b);OGATE,XS(B)::QAR2(A),XP(d)
- B(c);OGATEB::QAB(A),XB(c)
- B(c);OGATEB::B(G),XB(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(b);OGATE::QAR2(A),XP(d)
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).