MESON Chess Problem Database
Problem Display
PID: 148301 (3rN1B1/5R2/N1p1q2p/3krR1p/Q6K/4P3/P3nn2/8 w - - 0 1)
Lancia, Ugo
4/5 Prize, Brisbane Sports and Radio, 1933/I
(First published on Sat Aug 5 1933)
#2
9 + 9
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qxf5
- 2.Rxf5#
- 2.Rd7#
- 1...Qd7
- 2.Rxd7#
- 1...Qxf7
- 2.Bxf7#
- 1...Qc8
- 2.Rd7#
- 1...Qd6
- 2.Rd7#
- 1...Qf6+
- 2.R7xf6#
- 1...Qg6
- 2.Rd7#
- 1...Qe7+
- 2.Rxe7#
- 1...Qxe8
- 2.Rd7#
- 1...Rxf5
- 2.Rxf5#
- 1...Rd6
- 2.Sec7#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Rxe8
- 2.Rd7#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Se4
- 2.Qb3#
- 1...Sg4
- 2.e4#
- 1...c5
- 2.Sac7#
- 1...Qxf5
- Tries
- 1.Rxe5+?
- 1...Qxe5
- 2.Rf5#
- 2.Rd7#
- 1...Kxe5!
- 1...Qxe5
- 1.R7f6?
- threat
- 2.Bxe6#
- 1...Qxg8
- 2.Sec7#
- 2.Qxc6#
- 1...Rxf5
- 2.Rxf5#
- 1...Sd4
- 2.Qxd4#
- 1...Qf7
- 2.Sec7#
- 2.Bxf7#
- 2.Qxc6#
- 1...Rd6
- 2.Sec7#
- 1...Sf4
- 2.Qd4#
- 1...Rxe8!
- threat
- 1.Rc7?
- threat
- 2.Qxc6#
- 1...Sd4
- 2.Qxd4#
- 1...Rd6
- 2.Sf6#
- 1...c5
- 2.Rxc5#
- 1...Rxf5!
- threat
- 1.Re7?
- threat
- 2.Bxe6#
- 1...Qxg8
- 2.Rfxe5#
- 2.Rexe5#
- 1...Rxe8
- 2.Rd7#
- 1...Sd4
- 2.Qxd4#
- 1...Qf7
- 2.Bxf7#
- 2.Rfxe5#
- 2.Rexe5#
- 1...Rd6
- 2.Sf6#
- 2.Sec7#
- 1...Sf4
- 2.Qd4#
- 1...Rxf5!
- threat
- 1.Qb4?
- threat
- 2.Sac7#
- 2.Sec7#
- 1...Qf6+
- 2.R7xf6#
- 1...Qe7+
- 2.Rxe7#
- 1...Qxe8
- 2.Sc7#
- 2.Rd7#
- 1...Rxf5
- 2.Rxf5#
- 1...Rxe8
- 2.Sc7#
- 2.Rd7#
- 1...Qd7
- 2.Rxd7#
- 1...Qc8
- 2.Rd7#
- 1...Qd6
- 2.Rd7#
- 1...Sd4
- 2.Qxd4#
- 1...Rd7
- 2.Rxd7#
- 1...Rc8
- 2.Rd7#
- 1...c5!
- threat
- 1.Rxe5+?
- Keys
- 1.a3!
- 1...Qf6+
- 2.R7xf6#
- 1...Qe7+
- 2.Rxe7#
- 1...Qxf5
- 2.Rxf5#
- 2.Rd7#
- 1...Qxf7
- 2.Bxf7#
- 1...Qxe8
- 2.Rd7#
- 1...Rxf5
- 2.Rxf5#
- 1...Rxe8
- 2.Rd7#
- 1...Qd7
- 2.Rxd7#
- 1...Qc8
- 2.Rd7#
- 1...Qd6
- 2.Rd7#
- 1...Qg6
- 2.Rd7#
- 1...Sd4
- 2.Qxd4#
- 1...Rd6
- 2.Sec7#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sf4
- 2.Qd4#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Se4
- 2.Qb3#
- 1...Sg4
- 2.e4#
- 1...c5
- 2.Sac7#
- 1...Qf6+
- 1.a3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(g);::B(I)+R(G),DCHECK,XQ(g)
- Q(g);OGATE,P_SPINQ(g),XR(G)::B(I),XQ(g)
- Q(g);::B(I)+R(G),DCHECK
- Q(g);S_CUTR(i)::B(I)+R(G)
- Q(g);CHECK,OGATEB::B(I)+R(G),XQ(g)
- Q(g);XS(H)::B(I)+R(G),DCHECK
- R(d);N_SPINR(d),OGATE,XR(E)::R(G),XR(d)
- R(i);SBLOCK::S(H)
- R(i);N_GUARD::R(G),XR(i)
- R(i);N_GUARD::R(G)
- R(i);N_GUARD,XS(H)::R(G)
- S(a);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- S(b);N_GUARD::P(B)
- S(b);SBLOCK::QAB(C)
- P(f);SBLOCK::S(F)
- Tries
- Try
- R(E);CHECK,XR(d)
- Refutation
- K(c);P-FLIGHT,XR(E)
- Try
- R(G);P_PINQ(g)
- Threat
- B(I),XQ(g)
- Vars
- R(d);N_SPINR(d),OGATE,XR(E)::R(G),XR(d)
- S(a);N_GUARD::QAR1(C),XS(a)
- R(i);SBLOCK::S(H)
- S(a);N_GUARD::QAR1(C)
- Refutation
- R(i);XS(H)
- Try
- R(G);P_PINQ(g)
- Threat
- QAB1(C),XP(f)
- Vars
- S(a);N_GUARD::QAR1(C),XS(a)
- R(i);SBLOCK::S(H)
- P(f);OGATE::R1(G),XP(f)
- Refutation
- R(d);N_SPINR(d),XR(E)
- Try
- R(G);P_PINQ(g)
- Threat
- B(I),XQ(g)
- Vars
- R(i);N_GUARD,XS(H)::R(G)
- S(a);N_GUARD::QAR1(C),XS(a)
- S(a);N_GUARD::QAR1(C)
- Refutation
- R(d);N_SPINR(d),XR(E)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(g);CHECK,OGATEB::B(I)+R(G),XQ(g)
- R(d);N_SPINR(d),OGATE,XR(E)::R(G),XR(d)
- Q(g);::B(I)+R(G),DCHECK,XQ(g)
- Q(g);::B(I)+R(G),DCHECK
- Q(g);S_CUTR(i)::B(I)+R(G)
- S(a);N_GUARD::QAR1(C),XS(a)
- R(i);N_GUARD::R(G),XR(i)
- R(i);N_GUARD::R(G)
- Refutation
- P(f);
- Try
- Actual
- P(A);
- Vars
- Q(g);CHECK,OGATEB::B(I)+R(G),XQ(g)
- Q(g);OGATE,P_SPINQ(g),XR(G)::B(I),XQ(g)
- Q(g);XS(H)::B(I)+R(G),DCHECK
- R(d);N_SPINR(d),OGATE,XR(E)::R(G),XR(d)
- R(i);N_GUARD,XS(H)::R(G)
- Q(g);::B(I)+R(G),DCHECK,XQ(g)
- Q(g);::B(I)+R(G),DCHECK
- Q(g);S_CUTR(i)::B(I)+R(G)
- S(a);N_GUARD::QAR1(C),XS(a)
- R(i);SBLOCK::S(H)
- R(i);N_GUARD::R(G),XR(i)
- R(i);N_GUARD::R(G)
- S(a);N_GUARD::QAR1(C)
- S(b);N_GUARD::P(B)
- S(b);SBLOCK::QAB(C)
- P(f);SBLOCK::S(F)
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).