MESON Chess Problem Database
Problem Display
PID: 210385 (B1KN3n/2P5/3k1P2/2pppPp1/3n2P1/1P6/3Q4/8 w - - 0 1)
Garaza, Luis Alberto
Suomen Shakki, 1955
#2
9 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sxb3
- 2.Qxd5#
- 1...Sf3
- 2.Qxd5#
- 1...Sb5
- 2.Qxd5#
- 1...Sxf5
- 2.Qxd5#
- 1...Sc6
- 2.Sb7#
- 1...Se6
- 2.Qxd5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c4
- 2.Qb4#
- 1...e4
- 2.Qh2#
- 1...Sc2
- Tries
- 1.Bb7?
- 1...Sxb3
- 2.Qxd5#
- 1...Sxf5
- 2.Qxd5#
- 1...c4
- 2.Qb4#
- 1...e4
- 2.Qh2#
- 1...Sg6
- 2.Sf7#
- 1...Sc2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sf3
- 2.Qxd5#
- 1...Sb5
- 2.Qxd5#
- 1...Se6
- 2.Qxd5#
- 1...Sf7
- 2.Sxf7#
- 1...Sc6!
- 1...Sxb3
- 1.Qa5?
- 1...Sxb3
- 2.Qb6#
- 2.Qa6#
- 1...Sxf5
- 2.Qb6#
- 2.Qa6#
- 1...Sc6
- 2.Sb7#
- 1...Sc2
- 2.Qb6#
- 2.Qa6#
- 1...Se2
- 2.Qb6#
- 2.Qa6#
- 1...Sf3
- 2.Qb6#
- 2.Qa6#
- 1...Sb5
- 2.Qb6#
- 2.Qa6#
- 1...Se6
- 2.Qb6#
- 2.Qa6#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c4
- 2.Qb4#
- 2.Qa3#
- 2.Qxd5#
- 1...e4!
- 1...Sxb3
- 1.Qg2?
- threat
- 2.Qxd5#
- 1...e4
- 2.Qh2#
- 2.Qg3#
- 1...Sc6
- 2.Sb7#
- 1...Sf3!
- threat
- 1.Qd3?
- 1...Sxb3
- 2.Qa6#
- 2.Qxd5#
- 1...Sxf5
- 2.Qa6#
- 2.Qxd5#
- 1...e4
- 2.Qg3#
- 1...Sc6
- 2.Sb7#
- 1...Sc2
- 2.Qa6#
- 2.Qxd5#
- 1...Se2
- 2.Qa6#
- 2.Qxd5#
- 1...Sf3
- 2.Qa6#
- 2.Qxd5#
- 1...Sb5
- 2.Qxd5#
- 1...Se6
- 2.Qa6#
- 2.Qxd5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c4!
- 1...Sxb3
- 1.b4?
- 1...Sxf5
- 2.Qxd5#
- 1...cxb4
- 2.Qxb4#
- 1...e4
- 2.Qh2#
- 1...Sc6
- 2.Sb7#
- 1...Sc2
- 2.Qxd5#
- 1...Se2
- 2.Qxd5#
- 1...Sb3
- 2.Qxd5#
- 1...Sf3
- 2.Qxd5#
- 1...Sb5
- 2.Qxd5#
- 1...Se6
- 2.Qxd5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c4!
- 1...Sxf5
- 1.Bb7?
- Keys
- 1.Qa2!
- 1...Sxb3
- 2.Qa6#
- 1...Sxf5
- 2.Qa6#
- 1...c4
- 2.Qa3#
- 1...e4
- 2.Qh2#
- 1...Sc6
- 2.Sb7#
- 1...Sc2
- 2.Qa6#
- 1...Se2
- 2.Qa6#
- 1...Sf3
- 2.Qa6#
- 1...Sb5
- 2.Qa6#
- 1...Se6
- 2.Qa6#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sxb3
- 1.Qa2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);OGATE,P_SPINP(c)::QAR1(A),XP(c)
- S(a);OGATE,P_SPINP(c),XP(B)::QAR1(A),XP(c)
- S(a);OGATE,P_SPINP(c),XP(D)::QAR1(A),XP(c)
- S(a);P_SPINP(c),SBLOCK::S(I)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(b);OGATEB::QAB(A)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- B(G);
- Vars
- S(a);OGATE,P_SPINP(c),XP(B)::QAR1(A),XP(c)
- S(a);OGATE,P_SPINP(c),XP(D)::QAR1(A),XP(c)
- P(b);OGATEB::QAB(A)
- P(d);OGATEB::QAB(A)
- S(g);N_GUARD::S(I)
- S(a);OGATE,P_SPINP(c)::QAR1(A),XP(c)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- S(a);P_SPINP(c)
- Try
- Q(A);
- Vars
- S(a);SBLOCK::S(I)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(d);
- Try
- Q(A);
- Threat
- QAR1(A),XP(c)
- Vars
- S(a);SBLOCK::S(I)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- P(d);OGATEB::QAB(A)
- S(a);P_SPINP(c),SBLOCK::S(I)
- S(a);OGATE,P_SPINP(c)::QAR1(A),XP(c)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(b);
- Try
- P(B);
- Vars
- S(a);OGATE,P_SPINP(c),XP(D)::QAR1(A),XP(c)
- P(b);OGATE,XP(B)::QAB(A),XP(b)
- P(d);OGATEB::QAB(A)
- S(a);P_SPINP(c),SBLOCK::S(I)
- S(a);OGATE,P_SPINP(c)::QAR1(A),XP(c)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(b);
- Try
- Actual
- Q(A);
- Vars
- S(a);N_GUARD,XP(B)::QAR(A)
- S(a);N_GUARD,XP(D)::QAR(A)
- P(b);OGATEB::QAB(A)
- P(d);OGATEB::QAB(A)
- S(a);SBLOCK::S(I)
- S(a);N_GUARD::QAR(A)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(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).