MESON Chess Problem Database
Problem Display
PID: 160478 (5BB1/3pp1N1/1K5n/R2P3R/1Ppk1P2/3P4/N2P1P2/5Q2 w - - 0 1)
Fasano, Alessandro
Best Problems, 2011
#2
14 + 5
SOLUTION
- SOUND
- Sets
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...Sxg8
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...Sg4
- Tries
- 1.Ka6?
- 1...Sxg8
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Ka7?
- 1...Sxg8
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Kb7?
- 1...Sxg8
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Kc7?
- 1...Sxg8
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Bxe7?
- threat
- 2.Bc5#
- 2.Bf6#
- 1...Sxg8
- 2.Sf5#
- 2.Bc5#
- 1...Sg4
- 2.Sf5#
- 2.Bc5#
- 1...Sf7
- 2.Sf5#
- 2.Bc5#
- 1...d6
- 2.Se6#
- 2.Bf6#
- 1...cxd3!
- threat
- 1.Bf7?
- 1...Sxf7
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg8
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...cxd3!
- 1...Sxf7
- 1.Bh7?
- 1...cxd3
- 2.Qxd3#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e6
- 2.Bc5#
- 1...e5!
- 1...cxd3
- 1.Rb5?
- 1...Sxg8
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Rc5?
- threat
- 2.Rxc4#
- 1...c3
- 2.Rc4#
- 2.dxc3#
- 1...cxd3!
- threat
- 1.Rh3?
- 1...Sxg8
- 2.Sf5#
- 1...cxd3
- 2.Qxd3#
- 1...Sf7
- 2.Sf5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6!
- 1...Sxg8
- 1.Rg5?
- 1...Sxg8
- 2.Sf5#
- 1...e6
- 2.Bc5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Qe2?
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Sg4
- 2.Sf5#
- 2.Qe4#
- 1...Sf5
- 2.Sxf5#
- 2.Qe4#
- 1...cxd3!
- threat
- 1.Qh3?
- threat
- 2.Qe3#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...cxd3!
- threat
- 1.Qa1+?
- 1...c3
- 2.Qxc3#
- 1...Kxd3!
- 1...c3
- 1.Qb1?
- 1...Sxg8
- 2.Sf5#
- 1...e6
- 2.Bc5#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.dxc3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...cxd3!
- 1...Sxg8
- 1.Ka6?
- Keys
- 1.Sc1!
- 1...Sxg8
- 2.Sf5#
- 1...cxd3
- 2.Qxd3#
- 1...Sg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sf7
- 2.Sf5#
- 1...c3
- 2.Sb3#
- 1...d6
- 2.Se6#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bc5#
- 1...Sxg8
- 1.Sc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- S(c);N_GUARD,XB(N)::S(L)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Tries
- Try
- K(K);P-FLIGHT
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(a);XP(E)
- Try
- K(K);S_FLIGHT
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(a);XP(E)
- Try
- K(K);P-FLIGHT
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(a);XP(E)
- Try
- K(K);S_FLIGHT
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(a);XP(E)
- Try
- B(M);XP(e)
- Threat
- DUALS(2)
- Refutation
- P(a);XP(E)
- Try
- B(N);
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(a);XP(E)
- Try
- B(N);
- Vars
- P(a);OGATE,XP(E)::QAR1(A),XP(a)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(e);
- Try
- R(H);
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(a);XP(E)
- Try
- R(H);
- Threat
- R1(H),XP(a)
- Refutation
- P(a);XP(E)
- Try
- R(J);
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- P(a);OGATE,XP(E)::QAR1(A),XP(a)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
- Refutation
- P(e);
- Try
- R(J);
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- P(e);OGATE::B(M)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- Refutation
- P(a);XP(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- P(a);XP(E)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- Refutation
- P(a);XP(E)
- Try
- Q(A);CHECK
- Vars
- P(a);P_SPINP(a)::QAB1(A),XP(a)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- Q(A);
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- P(e);OGATE::B(M)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);OGATE::P(C),XP(a)
- P(d);N_GUARD::S(L)
- Refutation
- P(a);XP(E)
- Try
- Actual
- S(B);
- Vars
- S(c);N_GUARD,XB(N)::S(L)
- P(a);OGATE,XP(E)::QAR1(A),XP(a)
- S(c);N_GUARD::S(L)
- S(c);N_GUARD::S(L),XS(c)
- P(a);N_GUARD::S(B)
- P(d);N_GUARD::S(L)
- P(e);OGATE::B(M)
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).