MESON Chess Problem Database
Problem Display
PID: 90269 (r7/1r1b4/1p1N4/2pB4/3kPp2/3N4/2RnPK2/7Q w - - 0 1)
Musante, Horacio Luis
Die Schwalbe 137. TT, 1962
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxa1#
- 2.Qh8#
- 1...Ra2
- 2.Qh8#
- 1...Ra3
- 2.Qh8#
- 1...Ra4
- 2.Qh8#
- 1...Ra5
- 2.Qh8#
- 1...Ra6
- 2.Qh8#
- 1...Ra7
- 2.Qh8#
- 1...Rb8
- 2.Qa1#
- 1...Rc8
- 2.Qa1#
- 1...Rd8
- 2.Qa1#
- 1...Re8
- 2.Qa1#
- 1...Rf8
- 2.Qa1#
- 1...Rg8
- 2.Qa1#
- 1...Rh8
- 2.Qa1#
- 2.Qxh8#
- 1...Bh3
- 2.Sb5#
- 1...Ba4
- 2.Sf5#
- 2.Qa1#
- 1...Bg4
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 2.Sf5#
- 1...Bf5
- 2.Sb5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Be6
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Be8
- 2.Sf5#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sxe4+
- 2.Qxe4#
- 1...Ra1
- Tries
- 1.Ba2?
- threat
- 2.Qa1#
- 1...Sxe4+
- 2.Qxe4#
- 1...Rxa2
- 2.Qh8#
- 1...Ra3
- 2.Qh8#
- 1...Sb1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sb3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...c4!
- threat
- 1.Bc6?
- threat
- 2.Sb5#
- 1...Sxe4+
- 2.Qxe4#
- 1...Bxc6
- 2.Sf5#
- 1...Ra5
- 2.Qh8#
- 1...b5!
- threat
- 1.Be6?
- threat
- 2.Sf5#
- 1...Sxe4+
- 2.Qxe4#
- 1...Bxe6
- 2.Sb5#
- 1...Rf8
- 2.Qa1#
- 1...Sf3
- 2.Rc4#
- 1...f3!
- threat
- 1.Qg1?
- threat
- 2.Ke1#
- 2.Kg2#
- 2.Qg7#
- 1...Ra1
- 2.Qxa1#
- 2.Qg7#
- 1...Re8
- 2.Ke1#
- 2.Kg2#
- 2.Qa1#
- 1...Rf8
- 2.Ke1#
- 2.Kg2#
- 2.Qa1#
- 1...Rg8
- 2.Qa1#
- 1...Bh3
- 2.Ke1#
- 2.Sb5#
- 1...Ba4
- 2.Ke1#
- 2.Kg2#
- 2.Sf5#
- 2.Qa1#
- 1...Bg4
- 2.Ke1#
- 2.Kg2#
- 2.Sb5#
- 1...Bb5
- 2.Ke1#
- 2.Kg2#
- 2.Sxb5#
- 2.Sf5#
- 1...Bf5
- 2.Ke1#
- 2.Kg2#
- 2.Sb5#
- 2.Sxf5#
- 1...Bc6
- 2.Ke1#
- 2.Kg2#
- 2.Sf5#
- 1...Be6
- 2.Ke1#
- 2.Kg2#
- 2.Sb5#
- 1...Bc8
- 2.Ke1#
- 2.Kg2#
- 2.Sb5#
- 1...Be8
- 2.Ke1#
- 2.Kg2#
- 2.Sf5#
- 1...Sf1
- 2.Kxf1#
- 2.Rc4#
- 2.Qg7#
- 1...Sf3
- 2.Kxf3#
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...f3
- 2.Qg7#
- 1...Sxe4+!
- threat
- 1.Ba2?
- Keys
- 1.Bg8!
- threat
- 2.Qh8#
- 1...Sxe4+
- 2.Qxe4#
- 1...Rxg8
- 2.Qa1#
- 1...Re8
- 2.Qa1#
- 1...Rf8
- 2.Qa1#
- 1...Bh3
- 2.Sb5#
- 1...Ba4
- 2.Sf5#
- 2.Qa1#
- 1...Bg4
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 2.Sf5#
- 1...Bf5
- 2.Sb5#
- 2.Sxf5#
- 1...Bc6
- 2.Sf5#
- 1...Be6
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Be8
- 2.Sf5#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- threat
- 1.Bg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(h);N_GUARD::QAB(A)
- B(g);N_GUARD::S(H)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- S(a);CHECK,OGATE,XP(F)::QAR1(A),XS(a)
- Tries
- Try
- B(G);
- Threat
- QAB(A)
- Vars
- S(a);CHECK,OGATE,XP(F)::QAR1(A),XS(a)
- R(h);N_GUARD,XB(G)::QAB(A)
- R(h);N_GUARD::QAB(A)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- Refutation
- P(d);
- Try
- B(G);
- Threat
- S(H)
- Vars
- S(a);CHECK,OGATE,XP(F)::QAR1(A),XS(a)
- B(g);N_GUARD,XB(G)::S(H)
- R(h);N_GUARD::QAB(A)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- S(H)
- Vars
- S(a);CHECK,OGATE,XP(F)::QAR1(A),XS(a)
- B(g);N_GUARD,XB(G)::S(H)
- R(h);N_GUARD::QAB(A)
- S(a);N_GUARD::R1(B)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(h);N_GUARD::QAB(A)
- S(a);N_GUARD::R1(B),XS(a)
- P(c);::QAB(A)
- Refutation
- S(a);CHECK,XP(F)
- Try
- Actual
- B(G);
- Threat
- QAB(A)
- Vars
- S(a);CHECK,OGATE,XP(F)::QAR1(A),XS(a)
- R(h);N_GUARD,XB(G)::QAB(A)
- R(h);N_GUARD::QAB(A)
- B(g);N_GUARD::S(H)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
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).