MESON Chess Problem Database
Problem Display
PID: 264353 (1n3b2/4R1p1/1N1k2K1/BBp2p2/3N1P1Q/6nP/8/8 w - - 0 1)
Marchant, G
Sunday Referee, 1935
(First published on Sun Jun 2 1935)
#2
9 + 7
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...cxd4
- 2.Bb4#
- 1...c4
- 2.Bb4#
- 1...Sf1
- Tries
- 1.Kf7?
- 1...Bxe7
- 2.Qxe7#
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...g6
- 2.Qf6#
- 1...g5!
- 1...Bxe7
- 1.Be1?
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Bxe7!
- 1...cxd4
- 1.Bd2?
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Bxe7!
- 1...cxd4
- 1.Bc3?
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Bxe7!
- 1...cxd4
- 1.Ba4?
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Sb5#
- 2.Rd7#
- 1...Bxe7!
- 1...cxd4
- 1.Bc6?
- threat
- 2.Sc4#
- 2.Sc8#
- 1...Sxc6
- 2.Sb5#
- 2.Rd7#
- 1...c4
- 2.Bb4#
- 1...cxd4!
- threat
- 1.Be8?
- threat
- 2.Sb5#
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Bxe7!
- threat
- 1.Qxg3?
- threat
- 2.Sxf5#
- 1...Kxe7
- 2.Sc8#
- 1...cxd4
- 2.Bb4#
- 2.Qa3#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 2.Qa3#
- 1...Bxe7!
- threat
- 1.Qg5?
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Bxe7!
- 1...cxd4
- 1.Qh5?
- 1...Kxe7
- 2.Sc8#
- 1...Sxh5
- 2.Sxf5#
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Bxe7!
- 1...Kxe7
- 1.Qh7?
- 1...Kxe7
- 2.Sc8#
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Bxe7!
- 1...Kxe7
- 1.Kf7?
- Keys
- 1.Qh8!
- 1...Kxe7
- 2.Sc8#
- 1...Bxe7
- 2.Qxb8#
- 1...cxd4
- 2.Bb4#
- 1...Sd7
- 2.Rxd7#
- 1...c4
- 2.Bb4#
- 1...Sf1
- 2.Sxf5#
- 1...Sh1
- 2.Sxf5#
- 1...Se2
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...Sh5
- 2.Sxf5#
- 1...Sa6
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Kxe7
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB,XS(B)::B(E)
- P(b);OGATEB::B(E)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- B(g);OGATE,XR(I)::QAB1(D),XB(g)
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- P(e);N_GUARD::QAR2(D)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- B(E);
- Vars
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- B(E);
- Vars
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- B(F);
- Vars
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::B(E)
- Refutation
- P(b);XS(B)
- Try
- B(F);
- Threat
- S(B)
- Vars
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- Refutation
- B(g);XR(I)
- Try
- Q(D);XS(a)
- Threat
- S(B),XP(c)
- Vars
- K(d);N_GUARD,S_FLIGHT,XR(I)::S(G)
- S(f);N_GUARD::R1(I),XS(f)
- Refutation
- B(g);XR(I)
- Try
- Q(D);
- Vars
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- Q(D);
- Vars
- K(d);N_GUARD,S_FLIGHT,XR(I)::S(G)
- S(a);N_GUARD,XQ(D)::S(B),XP(c)
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- Q(D);
- Vars
- K(d);N_GUARD,P_SPINP(e),S_FLIGHT,XR(I)::S(G)
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
- Refutation
- B(g);XR(I)
- Try
- Actual
- Q(D);
- Vars
- K(d);N_GUARD,S_FLIGHT,XR(I)::S(G)
- B(g);OGATE,SBLOCK,XR(I)::QAB(D),XS(f)
- P(b);OGATEB,XS(B)::B(E)
- S(f);N_GUARD::R1(I),XS(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(B),XP(c)
- S(f);N_GUARD::R1(I)
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).