MESON Chess Problem Database
Problem Display
PID: 109006 (K2Nn3/1BB5/1PR5/3kP3/2pp2N1/3n1P2/Pp1RP3/1Q4b1 w - - 0 1)
Mendes de Moraes Filho, Feliciano
Surrey Weekly Press, 1923
#2
13 + 7
| 35 | L'Italia Scacchistica | 1930 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Qe4#
- 2.e4#
- 1...Se1
- 2.Qe4#
- 2.e4#
- 1...Sf2
- 2.Se3#
- 1...Sb4
- 2.Qe4#
- 2.e4#
- 1...Sf4
- 2.Qe4#
- 2.e4#
- 1...Sc5
- 2.Rd6#
- 1...Sxe5
- 2.Qe4#
- 2.e4#
- 1...Sf6
- 2.Sxf6#
- 1...Sxc7+
- 2.Rxc7#
- 1...Sg7
- 2.Sf6#
- 1...c3
- 2.Rxc3#
- 1...Sc1
- Tries
- 1.Se6?
- threat
- 2.Rd6#
- 1...Sxc7+
- 2.Sxc7#
- 1...Sd6
- 2.Rxd6#
- 1...c3!
- threat
- 1.Bd6?
- threat
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Sc7+
- 2.Rxc7#
- 1...Sxe5
- 2.Qe4#
- 2.e4#
- 1...Sb4
- 2.Rc5#
- 2.Qe4#
- 2.e4#
- 1...Sc5
- 2.Rxc5#
- 1...Sxd6!
- threat
- 1.Bb8?
- threat
- 2.Rc7#
- 2.Rc8#
- 1...Sc7+
- 2.Rxc7#
- 1...Sxe5
- 2.Qe4#
- 2.e4#
- 1...Sb4
- 2.Qe4#
- 2.e4#
- 1...Sc5
- 2.Rd6#
- 1...Sd6!
- threat
- 1.Rxd3?
- threat
- 2.e4#
- 1...Sxc7+
- 2.Rxc7#
- 1...cxd3
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 1...Be3
- 2.Sxe3#
- 1...Sf6
- 2.Sxf6#
- 1...Sd6!
- threat
- 1.Qc2?
- threat
- 2.Rxc4#
- 2.Qxc4#
- 1...Sxc7+
- 2.Rxc7#
- 1...Sxe5
- 2.Qe4#
- 2.e4#
- 1...Sb4
- 2.Qe4#
- 2.Qxc4#
- 2.e4#
- 1...Sc5
- 2.Rd6#
- 1...c3
- 2.Rxc3#
- 2.Qb3#
- 1...Sd6!
- threat
- 1.Qxd3?
- threat
- 2.Rxc4#
- 2.Qxc4#
- 2.Qe4#
- 2.e4#
- 1...Sxc7+
- 2.Rxc7#
- 1...cxd3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 1...b1Q
- 2.Rxc4#
- 2.Qxc4#
- 2.e4#
- 1...b1B
- 2.Rxc4#
- 2.Qxc4#
- 2.e4#
- 1...Be3
- 2.Sxe3#
- 2.Rxc4#
- 2.Qxc4#
- 2.Qe4#
- 1...Sf6
- 2.Sxf6#
- 2.Rxc4#
- 2.Qxc4#
- 1...c3
- 2.Rxc3#
- 2.Rc4#
- 2.Qc4#
- 2.Qe4#
- 2.Qb5#
- 2.e4#
- 1...Sd6!
- threat
- 1.exd3?
- threat
- 2.Rxc4#
- 2.dxc4#
- 1...Sxc7+
- 2.Rxc7#
- 1...cxd3
- 2.Rc1#
- 2.Rcc2#
- 2.Rc3#
- 1...c3
- 2.Rxc3#
- 2.Rc4#
- 1...Sd6!
- threat
- 1.Se6?
- Keys
- 1.f4!
- 1...Sxc7+
- 2.Rxc7#
- 1...Ke4
- 2.Rf6#
- 1...Sxf4
- 2.e4#
- 1...Sxe5
- 2.e4#
- 1...Bf2
- 2.Qh1#
- 1...Bh2
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Sc1
- 2.e4#
- 1...Se1
- 2.e4#
- 1...Sf2
- 2.Se3#
- 1...Sb4
- 2.e4#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...c3
- 2.Rxc3#
- 1...Sxc7+
- 1.f4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- S(c);P_SPINP(e),S_CUTB(a)::S(F)
- S(c);P_SPINP(e),SBLOCK::B(J)+R(I),DCHECK
- S(g);N_GUARD::S(F),XS(g)
- S(g);CHECK,OGATE,XB(K)::B(J)+R(I),XS(g)
- S(g);N_GUARD::S(F)
- P(d);OGATE::B(J)+R(I),XP(d)
- Tries
- Try
- S(M);
- Threat
- B(J)+R(I),DCHECK
- Vars
- S(g);CHECK,XB(K)::S(M),XS(g)
- S(g);::B(J)+R(I),DCHECK,XS(g)
- Refutation
- P(d);
- Try
- B(K);
- Threat
- DUALS(3)
- Vars
- S(g);CHECK::B(J)+R(I),XS(g)
- S(c);P_SPINP(e)::B(J)+R(I),DCHECK,XS(c)
- Refutation
- S(g);XB(K)
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- S(g);CHECK::B(J)+R(I),XS(g)
- S(c);P_SPINP(e),SBLOCK::B(J)+R(I),DCHECK
- Refutation
- S(g);
- Try
- R(C);P_PINP(e),XS(c)
- Threat
- P(D)
- Vars
- S(g);CHECK,OGATE,XB(K)::B(J)+R(I),XS(g)
- B(a);N_GUARD::S(F),XB(a)
- S(g);N_GUARD::S(F),XS(g)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,OGATE,XB(K)::B(J)+R(I),XS(g)
- S(c);P_SPINP(e),SBLOCK::B(J)+R(I),DCHECK
- Refutation
- S(g);
- Try
- Q(A);P_PINP(e),XS(c)
- Threat
- DUALS(4)
- Vars
- S(g);CHECK,OGATE,XB(K)::B(J)+R(I),XS(g)
- Refutation
- S(g);
- Try
- P(D);XS(c)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,OGATE,XB(K)::B(J)+R(I),XS(g)
- Refutation
- S(g);
- Try
- Actual
- P(E);
- Vars
- S(g);CHECK,OGATE,XB(K)::B(J)+R(I),XS(g)
- K(f);P_SPINS(c),S_FLIGHT::B(J)+R(I)
- S(c);P_SPINP(e),XP(E)::P(D)
- S(c);P_SPINP(e),XP(G)::P(D)
- B(a);OGATE::QAB(A)
- S(c);P_SPINP(e)::P(D)
- S(c);P_SPINP(e),S_CUTB(a)::S(F)
- S(c);P_SPINP(e),SBLOCK::B(J)+R(I),DCHECK
- S(g);N_GUARD::S(F)
- S(g);N_GUARD::S(F),XS(g)
- P(d);OGATE::B(J)+R(I),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).