MESON Chess Problem Database
Problem Display
PID: 189995 (2N2b2/KQ5p/2PP1B2/2Pp4/n1p1k1B1/p4R2/N2P4/7r w - - 0 1)
Guidelli, Giorgio
L'Eco degli Scacchi, 1913
#2
11 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxh7#
- 1...Rb1
- 2.Qxb1#
- 2.Qxh7#
- 1...Rc1
- 2.Qxh7#
- 1...Rd1
- 2.Qxh7#
- 1...Re1
- 2.Qxh7#
- 1...Rf1
- 2.Qxh7#
- 1...Rg1
- 2.Qxh7#
- 1...Rh2
- 2.Qb1#
- 1...Rh3
- 2.Qb1#
- 1...Rh4
- 2.Qb1#
- 1...Rh5
- 2.Qb1#
- 1...Rh6
- 2.Qb1#
- 1...Bxd6
- 2.Sxd6#
- 1...Bh6
- 2.Qe7#
- 2.Qxh7#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sxc5
- 2.Sc3#
- 1...Sb6
- 2.Sc3#
- 1...c3
- 2.d3#
- 1...d4
- 2.c7#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Ra1
- Tries
- 1.Ka6?
- 1...Bxd6
- 2.Sxd6#
- 1...d4
- 2.c7#
- 1...Ra1
- 2.Qxh7#
- 1...Rb1
- 2.Qxb1#
- 2.Qxh7#
- 1...Rc1
- 2.Qxh7#
- 1...Rd1
- 2.Qxh7#
- 1...Re1
- 2.Qxh7#
- 1...Rf1
- 2.Qxh7#
- 1...Rg1
- 2.Qxh7#
- 1...Rh2
- 2.Qb1#
- 1...Rh3
- 2.Qb1#
- 1...Rh4
- 2.Qb1#
- 1...Rh5
- 2.Qb1#
- 1...Rh6
- 2.Qb1#
- 1...Bh6
- 2.Qe7#
- 2.Qxh7#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sc3#
- 1...c3
- 2.d3#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Sxc5+!
- 1...Bxd6
- 1.Ka8?
- 1...Bxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sc3#
- 1...d4
- 2.c7#
- 1...Ra1
- 2.Qxh7#
- 1...Rb1
- 2.Qxb1#
- 2.Qxh7#
- 1...Rc1
- 2.Qxh7#
- 1...Rd1
- 2.Qxh7#
- 1...Re1
- 2.Qxh7#
- 1...Rf1
- 2.Qxh7#
- 1...Rg1
- 2.Qxh7#
- 1...Rh2
- 2.Qb1#
- 1...Rh3
- 2.Qb1#
- 1...Rh4
- 2.Qb1#
- 1...Rh5
- 2.Qb1#
- 1...Rh6
- 2.Qb1#
- 1...Bh6
- 2.Qe7#
- 2.Qxh7#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...c3
- 2.d3#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Sb6+!
- 1...Bxd6
- 1.Bh8?
- 1...Bxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sc3#
- 1...d4
- 2.c7#
- 1...Rh2
- 2.Qb1#
- 1...Ra1
- 2.Qxh7#
- 1...Rb1
- 2.Qxb1#
- 2.Qxh7#
- 1...Rc1
- 2.Qxh7#
- 1...Rd1
- 2.Qxh7#
- 1...Re1
- 2.Qxh7#
- 1...Rf1
- 2.Qxh7#
- 1...Rg1
- 2.Qxh7#
- 1...Rh3
- 2.Qb1#
- 1...Rh4
- 2.Qb1#
- 1...Rh5
- 2.Qb1#
- 1...Rh6
- 2.Qb1#
- 1...Bh6
- 2.Qe7#
- 2.Qxh7#
- 1...Be7
- 2.Qxe7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sc3#
- 1...c3
- 2.d3#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Bg7!
- 1...Bxd6
- 1.Rf2?
- threat
- 2.Bf5#
- 1...Kd3
- 2.Bf5#
- 1...Rh5
- 2.Qb1#
- 1...d4!
- threat
- 1.Qb2?
- threat
- 2.Qd4#
- 2.Qe5#
- 2.Qc2#
- 1...Bxd6
- 2.Sxd6#
- 2.Qd4#
- 2.Qc2#
- 1...Sxb2
- 2.Sc3#
- 1...Sxc5
- 2.Sc3#
- 2.Qd4#
- 2.Qe5#
- 1...d4
- 2.Qxd4#
- 1...Rc1
- 2.Qd4#
- 2.Qe5#
- 1...Rh5
- 2.Qd4#
- 2.Qb1#
- 2.Qc2#
- 1...Sc3
- 2.Sxc3#
- 2.Qc2#
- 1...c3
- 2.Qc2#
- 2.d3#
- 1...axb2!
- threat
- 1.Qb3?
- threat
- 2.Bf5#
- 2.Qc2#
- 2.Qe3#
- 1...Sxc5
- 2.Sc3#
- 2.Bf5#
- 2.Qe3#
- 1...cxb3
- 2.d3#
- 1...Rc1
- 2.Bf5#
- 2.Qe3#
- 1...Re1
- 2.Bf5#
- 2.Qc2#
- 1...Rh5
- 2.Qc2#
- 2.Qb1#
- 2.Qe3#
- 1...Bh6
- 2.Bf5#
- 2.Qc2#
- 1...Sb2
- 2.Sc3#
- 2.Bf5#
- 2.Qe3#
- 1...Sc3
- 2.Sxc3#
- 2.Qc2#
- 1...c3
- 2.Qc2#
- 2.d3#
- 1...d4!
- threat
- 1.Qd7?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Bxd6
- 2.Sxd6#
- 2.Qf5#
- 1...Sxc5
- 2.Sc3#
- 2.Qf5#
- 1...Rh5!
- threat
- 1.Qf7?
- threat
- 2.Qe6#
- 1...Bxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sc3#
- 1...Rh5!
- threat
- 1.Ka6?
- Keys
- 1.Kb8!
- 1...Bxd6+
- 2.Sxd6#
- 1...Sxc5
- 2.Sc3#
- 1...d4
- 2.c7#
- 1...Ra1
- 2.Qxh7#
- 1...Rb1
- 2.Qxb1#
- 1...Rc1
- 2.Qxh7#
- 1...Rd1
- 2.Qxh7#
- 1...Re1
- 2.Qxh7#
- 1...Rf1
- 2.Qxh7#
- 1...Rg1
- 2.Qxh7#
- 1...Rh2
- 2.Qb1#
- 1...Rh3
- 2.Qb1#
- 1...Rh4
- 2.Qb1#
- 1...Rh5
- 2.Qb1#
- 1...Rh6
- 2.Qb1#
- 1...Bh6
- 2.Qe7#
- 2.Qxh7#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sc3#
- 1...c3
- 2.d3#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Bxd6+
- 1.Kb8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::QAB(J),XP(g)
- R(a);N_GUARD::QAB(J)
- B(h);XP(G)::S(K),XB(h)
- B(h);N_GUARD::QAR(J),XB(h)
- B(h);N_GUARD::QAR(J)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD,XP(E)::S(A)
- P(d);N_GUARD::P(B)
- P(f);::QAB(J)+P(F)
- P(g);S_CUTR(a)::QAB(J)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- B(h);XP(G)::S(K),XB(h)
- P(f);::QAB(J)+P(F)
- R(a);N_GUARD::QAB(J),XP(g)
- R(a);N_GUARD::QAB(J)
- B(h);N_GUARD::QAR(J),XB(h)
- B(h);N_GUARD::QAR(J)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(d);N_GUARD::P(B)
- P(g);S_CUTR(a)::QAB(J)
- Refutation
- S(c);CHECK,XP(E)
- Try
- K(I);P-FLIGHT
- Vars
- B(h);XP(G)::S(K),XB(h)
- S(c);N_GUARD,XP(E)::S(A)
- P(f);::QAB(J)+P(F)
- R(a);N_GUARD::QAB(J),XP(g)
- R(a);N_GUARD::QAB(J)
- B(h);N_GUARD::QAR(J),XB(h)
- B(h);N_GUARD::QAR(J)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(d);N_GUARD::P(B)
- P(g);S_CUTR(a)::QAB(J)
- Refutation
- S(c);CHECK
- Try
- B(H);
- Vars
- B(h);XP(G)::S(K),XB(h)
- S(c);N_GUARD,XP(E)::S(A)
- P(f);::QAB(J)+P(F)
- R(a);N_GUARD::QAB(J)
- R(a);N_GUARD::QAB(J),XP(g)
- B(h);N_GUARD::QAR(J),XB(h)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(d);N_GUARD::P(B)
- P(g);S_CUTR(a)::QAB(J)
- Refutation
- B(h);
- Try
- R(C);
- Threat
- B(D)
- Vars
- K(e);S_FLIGHT::B(D)
- R(a);N_GUARD::QAB(J)
- Refutation
- P(f);
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD,XQ(J)::S(A)
- P(f);::QAR1(J),XP(f)
- Refutation
- P(b);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- P(d);N_GUARD,XQ(J)::P(B)
- Refutation
- P(f);
- Try
- Q(J);
- Threat
- DUALS(2)
- Refutation
- R(a);
- Try
- Q(J);
- Threat
- QAR2(J)
- Vars
- B(h);XP(G)::S(K),XB(h)
- S(c);N_GUARD,XP(E)::S(A)
- Refutation
- R(a);
- Try
- Actual
- K(I);S_FLIGHT
- Vars
- B(h);CHECK,XP(G)::S(K),XB(h)
- S(c);N_GUARD,XP(E)::S(A)
- P(f);::QAB(J)+P(F)
- R(a);N_GUARD::QAB(J),XP(g)
- R(a);N_GUARD,P_PINQ(J)::QAB(J),XR(a)
- R(a);N_GUARD::QAB(J)
- B(h);N_GUARD::QAR(J),XB(h)
- B(h);N_GUARD::QAR(J)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(d);N_GUARD::P(B)
- P(g);S_CUTR(a)::QAB(J)
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).