MESON Chess Problem Database
Problem Display
PID: 264412 (BbrrbBK1/N4pP1/8/5RN1/p1pk1Pp1/P2p4/8/4Q3 w - - 0 1)
Leppington, WG
Sunday Referee, 1935
(First published on Sun Aug 25 1935)
#2
10 + 10
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Bxc5#
- 1...Rc6
- 2.Sb5#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 1...Bxf4
- 2.Rxf4#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rd5#
- 1...Bxa7
- 2.Qe5#
- 1...Bc7
- 2.Bc5#
- 1...Bb5
- 2.Sxb5#
- 1...Bd7
- 2.Rd5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...g3
- 2.Sf3#
- 1...f6
- 2.Se6#
- 1...Rc5
- Tries
- 1.Kh8?
- 1...Bxf4
- 2.Rxf4#
- 1...Bxa7
- 2.Qe5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...Rc5
- 2.Bxc5#
- 1...Rc6
- 2.Sb5#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rd5#
- 1...Bc7
- 2.Bc5#
- 1...Bb5
- 2.Sxb5#
- 1...Bd7
- 2.Rd5#
- 1...g3
- 2.Sf3#
- 1...f6
- 2.Se6#
- 1...Bc6!
- 1...Bxf4
- 1.Bh1?
- 1...Bxf4
- 2.Rxf4#
- 1...Bxa7
- 2.Qe5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...Rc5
- 2.Bxc5#
- 1...Rc6
- 2.Sb5#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rd5#
- 1...Bc7
- 2.Bc5#
- 1...Bb5
- 2.Sxb5#
- 1...Bd7
- 2.Rd5#
- 1...g3
- 2.Sf3#
- 1...f6
- 2.Se6#
- 1...Bc6!
- 1...Bxf4
- 1.Bg2?
- 1...Bxf4
- 2.Rxf4#
- 1...Bxa7
- 2.Qe5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...Rc5
- 2.Bxc5#
- 1...Rc6
- 2.Sb5#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rd5#
- 1...Bc7
- 2.Bc5#
- 1...Bb5
- 2.Sxb5#
- 1...Bd7
- 2.Rd5#
- 1...g3
- 2.Sf3#
- 1...f6
- 2.Se6#
- 1...Bc6!
- 1...Bxf4
- 1.Bc6?
- threat
- 2.Sb5#
- 2.Bc5#
- 1...Rxc6
- 2.Sb5#
- 1...Bxa7
- 2.Qe5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Sb5#
- 2.Qe5#
- 1...Be5
- 2.Sb5#
- 2.Qxe5#
- 1...Bd6
- 2.Sb5#
- 2.Rd5#
- 1...Bd7
- 2.Sb5#
- 2.Rd5#
- 1...Bxc6!
- threat
- 1.Bb7?
- 1...Bxf4
- 2.Rxf4#
- 1...Bxa7
- 2.Qe5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...Rc5
- 2.Bxc5#
- 1...Rc6
- 2.Sb5#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rd5#
- 1...Bc7
- 2.Bc5#
- 1...Bb5
- 2.Sxb5#
- 1...Bd7
- 2.Rd5#
- 1...g3
- 2.Sf3#
- 1...f6
- 2.Se6#
- 1...Bc6!
- 1...Bxf4
- 1.Kh8?
- Keys
- 1.Kh7!
- 1...Bxf4
- 2.Rxf4#
- 1...Bxa7
- 2.Qe5#
- 1...d2
- 2.Qxd2#
- 1...c3
- 2.Qe4#
- 1...Rc5
- 2.Bxc5#
- 1...Rc6
- 2.Sb5#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rd5#
- 1...Bc7
- 2.Bc5#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Bc5#
- 1...Bd7
- 2.Rd5#
- 1...g3
- 2.Sf3#
- 1...f6
- 2.Se6#
- 1...Bxf4
- 1.Kh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::B(I),XR(h)
- R(h);S_CUTB(j)::S(F)
- R(h);S_CUTB(g)::QAB1(A)
- R(i);N_GUARD::R1(D),XR(i)
- R(i);S_CUTB(g)::QAB1(A)
- R(i);S_CUTB(j)::S(F)
- B(g);OGATE,XP(C)::R(D),XB(g)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);S_CUTR(i)::R1(D)
- B(g);N_GUARD,XS(F)::QAB1(A)
- B(g);S_CUTR(h)::B(I)
- B(j);N_GUARD,P_PINB(I)::S(F),XB(j)
- B(j);P_PINB(I),S_CUTR(i)::R1(D)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- P(e);N_GUARD::S(E)
- P(f);N_GUARD::S(E)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- B(g);OGATE,XP(C)::R(D),XB(g)
- B(g);N_GUARD,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- R(h);N_GUARD::B(I),XR(h)
- R(h);S_CUTB(j)::S(F)
- R(h);S_CUTB(g)::QAB1(A)
- R(i);N_GUARD::R1(D),XR(i)
- R(i);S_CUTB(g)::QAB1(A)
- R(i);S_CUTB(j)::S(F)
- B(g);N_GUARD,P_PINP(G)::QAB1(A),XB(g)
- B(g);S_CUTR(i)::R1(D)
- B(g);S_CUTR(h)::B(I)
- B(j);N_GUARD,P_PINB(I)::S(F),XB(j)
- B(j);P_PINB(I),S_CUTR(i)::R1(D)
- P(e);N_GUARD::S(E)
- P(f);N_GUARD::S(E)
- Refutation
- B(j);P_PINB(I)
- Try
- B(H);
- Vars
- B(g);OGATE,XP(C)::R(D),XB(g)
- B(g);N_GUARD,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- R(h);N_GUARD::B(I),XR(h)
- R(h);S_CUTB(j)::S(F)
- R(h);S_CUTB(g)::QAB1(A)
- R(i);N_GUARD::R1(D),XR(i)
- R(i);S_CUTB(g)::QAB1(A)
- R(i);S_CUTB(j)::S(F)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);S_CUTR(i)::R1(D)
- B(g);S_CUTR(h)::B(I)
- B(j);N_GUARD,P_PINB(I)::S(F),XB(j)
- B(j);P_PINB(I),S_CUTR(i)::R1(D)
- P(e);N_GUARD::S(E)
- P(f);N_GUARD::S(E)
- Refutation
- B(j);P_PINB(I)
- Try
- B(H);
- Vars
- B(g);OGATE,XP(C)::R(D),XB(g)
- B(g);N_GUARD,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- R(h);N_GUARD::B(I),XR(h)
- R(h);S_CUTB(j)::S(F)
- R(h);S_CUTB(g)::QAB1(A)
- R(i);N_GUARD::R1(D),XR(i)
- R(i);S_CUTB(g)::QAB1(A)
- R(i);S_CUTB(j)::S(F)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);S_CUTR(i)::R1(D)
- B(g);S_CUTR(h)::B(I)
- B(j);N_GUARD,P_PINB(I)::S(F),XB(j)
- B(j);P_PINB(I),S_CUTR(i)::R1(D)
- P(e);N_GUARD::S(E)
- P(f);N_GUARD::S(E)
- Refutation
- B(j);P_PINB(I)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(h);XB(H)::S(F)
- B(g);N_GUARD,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- R(i);N_GUARD::R1(D),XR(i)
- Refutation
- B(j);P_PINB(I),XB(H)
- Try
- B(H);
- Vars
- B(g);OGATE,XP(C)::R(D),XB(g)
- B(g);N_GUARD,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- R(h);N_GUARD::B(I),XR(h)
- R(h);S_CUTB(j)::S(F)
- R(h);S_CUTB(g)::QAB1(A)
- R(i);N_GUARD::R1(D),XR(i)
- R(i);S_CUTB(g)::QAB1(A)
- R(i);S_CUTB(j)::S(F)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);S_CUTR(i)::R1(D)
- B(g);S_CUTR(h)::B(I)
- B(j);N_GUARD,P_PINB(I)::S(F),XB(j)
- B(j);P_PINB(I),S_CUTR(i)::R1(D)
- P(e);N_GUARD::S(E)
- P(f);N_GUARD::S(E)
- Refutation
- B(j);P_PINB(I)
- Try
- Actual
- K(J);S_FLIGHT
- Vars
- B(g);OGATE,XP(C)::R(D),XB(g)
- B(g);N_GUARD,XS(F)::QAB1(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::QAR1(A)
- R(h);N_GUARD::B(I),XR(h)
- R(h);S_CUTB(j)::S(F)
- R(h);S_CUTB(g)::QAB1(A)
- R(i);N_GUARD::R1(D),XR(i)
- R(i);S_CUTB(g)::QAB1(A)
- R(i);S_CUTB(j)::S(F)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);S_CUTR(i)::R1(D)
- B(g);S_CUTR(h)::B(I)
- B(j);N_GUARD::S(F),XB(j)
- B(j);S_CUTR(h)::B(I)
- B(j);S_CUTR(i)::R1(D)
- P(e);N_GUARD::S(E)
- P(f);N_GUARD::S(E)
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).