MESON Chess Problem Database
Problem Display
PID: 193736 (3b3q/3PPR1r/1p1Pk1Bp/1N2Np1K/4pP1B/4n3/3R4/8 w - - 0 1)
Ceriani, Luigi
L'Italia Scacchistica, 1916
#2
11 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.exd8S#
- 1...Qf6
- 2.Rxf6#
- 1...Qg7
- 2.exd8S#
- 1...Qe8
- 2.Rf6#
- 1...Qf8
- 2.exf8S#
- 1...Qg8
- 2.Rf6#
- 1...Rxf7
- 2.Bxf7#
- 1...Rg7
- 2.Rf6#
- 1...Bc7
- 2.Sxc7#
- 1...Bxe7
- 2.Sc7#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Qxe5
- Tries
- 1.Bg5?
- 1...Qxe5
- 2.exd8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Bxe7
- 2.Sc7#
- 1...Qf6
- 2.Rxf6#
- 1...Qg7
- 2.exd8S#
- 1...Qe8
- 2.Rf6#
- 1...Qf8
- 2.exf8S#
- 1...Qg8
- 2.Rf6#
- 1...Rg7
- 2.Rf6#
- 1...Bc7
- 2.Sxc7#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...hxg5+!
- 1...Qxe5
- 1.Bxh7?
- 1...Qxe5
- 2.exd8S#
- 1...Qxh7
- 2.Rf6#
- 2.exd8S#
- 1...Bxe7
- 2.Sc7#
- 2.Rxe7#
- 1...Qf6
- 2.Rxf6#
- 1...Qg7
- 2.exd8S#
- 1...Qf8
- 2.exf8S#
- 1...Qg8
- 2.Rf6#
- 1...Bc7
- 2.Sxc7#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Qe8!
- 1...Qxe5
- 1.Rd1?
- 1...Qxe5
- 2.exd8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Bxe7
- 2.Sc7#
- 1...Qf6
- 2.Rxf6#
- 1...Qg7
- 2.exd8S#
- 1...Qe8
- 2.Rf6#
- 1...Qf8
- 2.exf8S#
- 1...Qg8
- 2.Rf6#
- 1...Rg7
- 2.Rf6#
- 1...Bc7
- 2.Sxc7#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Sxd1!
- 1...Qxe5
- 1.Rd3?
- 1...Qxe5
- 2.exd8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Bxe7
- 2.Sc7#
- 1...Qf6
- 2.Rxf6#
- 1...Qg7
- 2.exd8S#
- 1...Qe8
- 2.Rf6#
- 1...Qf8
- 2.exf8S#
- 1...Qg8
- 2.Rf6#
- 1...Rg7
- 2.Rf6#
- 1...Bc7
- 2.Sxc7#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...exd3!
- 1...Qxe5
- 1.exd8Q?
- threat
- 2.Sc7#
- 2.Qe7#
- 1...Rxf7
- 2.Sc7#
- 2.Bxf7#
- 1...Qf6
- 2.Sc7#
- 2.Rxf6#
- 2.Qxf6#
- 1...Qe8
- 2.Sc7#
- 2.Rf6#
- 2.Qf6#
- 2.Qxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Qf8
- 2.Sc7#
- 2.Qf6#
- 1...Sd5
- 2.Bxf5#
- 1...Qxd8!
- threat
- 1.exd8B?
- threat
- 2.Sc7#
- 1...Sd5
- 2.Bxf5#
- 1...Qxd8!
- threat
- 1.exd8R?
- threat
- 2.Sc7#
- 1...Sd5
- 2.Bxf5#
- 1...Qxd8!
- threat
- 1.e8Q+?
- 1...Be7
- 2.Sc7#
- 2.Qxe7#
- 2.d8S#
- 1...Qxe8!
- 1...Be7
- 1.e8R+?
- 1...Be7
- 2.Sc7#
- 2.Rexe7#
- 2.d8S#
- 1...Qxe8!
- 1...Be7
- 1.Bg5?
- Keys
- 1.Rd4!
- 1...Qxe5
- 2.exd8S#
- 1...Rxf7
- 2.Bxf7#
- 1...Bxe7
- 2.Sc7#
- 1...Qf6
- 2.Rxf6#
- 1...Qg7
- 2.exd8S#
- 1...Qe8
- 2.Rf6#
- 1...Qf8
- 2.exf8S#
- 1...Qg8
- 2.Rf6#
- 1...Rg7
- 2.Rf6#
- 1...Bc7
- 2.Sxc7#
- 1...Sd1
- 2.Bxf5#
- 1...Sf1
- 2.Bxf5#
- 1...Sc2
- 2.Bxf5#
- 1...Sg2
- 2.Bxf5#
- 1...Sc4
- 2.Bxf5#
- 1...Sg4
- 2.Bxf5#
- 1...Sd5
- 2.Bxf5#
- 1...Qxe5
- 1.Rd4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- Q(i);N_GUARD::R1(K),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);N_GUARD::R1(K)
- Q(i);OGATE::PXQ(i)=S
- R(g);OGATE,XR(K)::B(H),XR(g)
- R(g);S_CUTQ(i)::R1(K)
- B(h);N_GUARD::S(D),XB(h)
- B(h);N_GUARD,XP(J)::S(D)
- S(a);N_GUARD::B(H),XP(c)
- Tries
- Try
- B(C);
- Vars
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- R(g);OGATE,XR(K)::B(H),XR(g)
- B(h);N_GUARD,XP(J)::S(D)
- Q(i);N_GUARD::R1(K),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);N_GUARD::R1(K)
- Q(i);OGATE::PXQ(i)=S
- R(g);S_CUTQ(i)::R1(K)
- B(h);N_GUARD::S(D),XB(h)
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- P(f);CHECK,XB(C)
- Try
- B(H);XR(g)
- Vars
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- Q(i);N_GUARD::R1(K),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);OGATE::PXQ(i)=S
- Q(i);N_GUARD::R1(K)
- B(h);N_GUARD::S(D),XB(h)
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- Q(i);P_PINR(K)
- Try
- R(A);
- Vars
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- R(g);OGATE,XR(K)::B(H),XR(g)
- B(h);N_GUARD,XP(J)::S(D)
- Q(i);N_GUARD::R1(K),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);N_GUARD::R1(K)
- Q(i);OGATE::PXQ(i)=S
- R(g);S_CUTQ(i)::R1(K)
- B(h);N_GUARD::S(D),XB(h)
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- S(a);XR(A)
- Try
- R(A);
- Vars
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- R(g);OGATE,XR(K)::B(H),XR(g)
- B(h);N_GUARD,XP(J)::S(D)
- Q(i);N_GUARD::R1(K),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);N_GUARD::R1(K)
- Q(i);OGATE::PXQ(i)=S
- R(g);S_CUTQ(i)::R1(K)
- B(h);N_GUARD::S(D),XB(h)
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- P(b);XR(A)
- Try
- P(J);XB(h)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- Q(i);XQ(J)
- Try
- P(J);XB(h)
- Threat
- S(D)
- Vars
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- Q(i);XB(J)
- Try
- P(J);XB(h)
- Threat
- S(D)
- Vars
- S(a);N_GUARD::B(H),XP(c)
- Refutation
- Q(i);XR(J)
- Try
- P(J);CHECK
- Refutation
- Q(i);XQ(J)
- Try
- P(J);CHECK
- Refutation
- Q(i);XR(J)
- Try
- Actual
- R(A);
- Vars
- Q(i);N_GUARD,XS(E)::PXB(h)=S
- R(g);OGATE,XR(K)::B(H),XR(g)
- B(h);N_GUARD,XP(J)::S(D)
- Q(i);N_GUARD::R1(K),XQ(i)
- Q(i);N_GUARD::PXB(h)=S
- Q(i);N_GUARD::R1(K)
- Q(i);OGATE::PXQ(i)=S
- R(g);S_CUTQ(i)::R1(K)
- B(h);N_GUARD::S(D),XB(h)
- S(a);N_GUARD::B(H),XP(c)
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).