MESON Chess Problem Database
Problem Display
PID: 193513 (8/4p3/R1b1R3/n1k1n3/Pp1pP2p/1p5K/1N6/2NQ4 w - - 0 1)
Guidelli, Giorgio
Chess Amateur (The), 1915
#2
8 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...d3
- 2.Qg1#
- 1...Bxa4
- Tries
- 1.Rxa5+?
- 1...Bb5
- 2.Sxb3#
- 2.Rxb5#
- 1...Kb6!
- 1...Bb5
- 1.Rxe5+?
- 1...Bd5
- 2.Scd3#
- 2.Rxd5#
- 1...Kd6!
- 1...Bd5
- 1.Qc2+?
- 1...Sac4
- 2.Sxb3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...bxc2!
- 1...Sac4
- 1.Qe2?
- 1...Bxa4
- 2.Sxa4#
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 2.Qb5#
- 1...d3
- 2.Qf2#
- 2.Qe3#
- 1...Bb5
- 2.Rxe5#
- 2.Qxb5#
- 1...Bd5
- 2.Rxa5#
- 2.Qb5#
- 1...Bb7
- 2.Rxa5#
- 2.Qb5#
- 1...Ba8
- 2.Rxa5#
- 2.Qb5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Qf3?
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...Sxf3
- 2.Scd3#
- 1...d3
- 2.Qf2#
- 2.Qe3#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Qh5?
- threat
- 2.Scd3#
- 1...Bxa4
- 2.Rxe5#
- 2.Qxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...Bb5
- 2.Rxe5#
- 2.Qxe5#
- 1...Bd5
- 2.Rxa5#
- 1...d3!
- threat
- 1.Qe1?
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...d3
- 2.Qf2#
- 2.Qg1#
- 2.Qe3#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Qf1?
- 1...Bxa4
- 2.Sxa4#
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 2.Qb5#
- 1...d3
- 2.Qg1#
- 2.Qf2#
- 1...Bb5
- 2.Rxe5#
- 2.Qxb5#
- 1...Bd5
- 2.Rxa5#
- 2.Qb5#
- 1...Bb7
- 2.Rxa5#
- 2.Qb5#
- 1...Ba8
- 2.Rxa5#
- 2.Qb5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Qg1?
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Qh1?
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...d3
- 2.Qg1#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Qd2?
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...d3
- 2.Qe3#
- 2.Qf2#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg4
- 2.Scd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bd7!
- 1...Bxa4
- 1.Rxa5+?
- Keys
- 1.Qg4!
- 1...Bxa4
- 2.Rxe5#
- 1...Bxe4
- 2.Rxa5#
- 1...Sxg4
- 2.Scd3#
- 1...d3
- 2.Qg1#
- 1...Bd7
- 2.Rxe5#
- 1...Bb5
- 2.Rxe5#
- 1...Bd5
- 2.Rxa5#
- 1...Bb7
- 2.Rxa5#
- 1...Ba8
- 2.Rxa5#
- 1...Be8
- 2.Rxe5#
- 1...Sac4
- 2.Sxb3#
- 1...Sb7
- 2.Sxb3#
- 1...Sd3
- 2.Scxd3#
- 1...Sf3
- 2.Scd3#
- 1...Sec4
- 2.Scd3#
- 2.Sbd3#
- 1...Sg6
- 2.Scd3#
- 1...Sd7
- 2.Scd3#
- 1...Sf7
- 2.Scd3#
- 1...Bxa4
- 1.Qg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- P(c);OGATEB::QAB(B)
- Tries
- Try
- R(G);CHECK,XS(e)
- Refutation
- K(f);P_SPINB(h),S_FLIGHT
- Try
- R(H);CHECK,XS(g)
- Refutation
- K(f);P_SPINB(h),P_SPINP(c),S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- S(e);P_SPINS(e)::S(A),XP(a)
- Refutation
- P(a);XQ(B)
- Try
- Q(B);
- Vars
- B(h);N_GUARD::R(H),XS(g)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Q(B);
- Vars
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- S(g);N_GUARD,XQ(B)::S(A)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Q(B);P_PINS(g)
- Threat
- S(A)
- Vars
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- B(h);N_GUARD,N_SPINS(g)::R(G),XS(e)
- Refutation
- P(c);
- Try
- Q(B);
- Vars
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Q(B);
- Vars
- B(h);N_GUARD::R(H),XS(g)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Q(B);P_PINP(c)
- Vars
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Q(B);
- Vars
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- P(c);OGATEB::QAB(B)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Q(B);
- Vars
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(A)
- Refutation
- B(h);P_PINR(H)
- Try
- Actual
- Q(B);
- Vars
- B(h);N_GUARD,XP(E)::R(H),XS(g)
- B(h);N_GUARD,XP(F)::R(G),XS(e)
- S(g);N_GUARD,XQ(B)::S(A)
- P(c);OGATEB::QAB(B)
- B(h);N_GUARD::R(H),XS(g)
- B(h);N_GUARD::R(G),XS(e)
- S(e);N_GUARD::S(A),XP(a)
- S(g);N_GUARD::S(A),XS(g)
- S(g);N_GUARD::S(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).