MESON Chess Problem Database
Problem Display
PID: 227437 (1r6/4b1BP/4ppK1/R2b4/R2Np1Nk/3p3P/Q1r2p1P/5B2 w - - 0 1)
Lewis, Gregory
4th HM., Die Schwalbe, 1985
#2
11 + 10
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxf2#
- 1...Rc3
- 2.Qxf2#
- 1...Rc4
- 2.Qxf2#
- 1...Rc5
- 2.Qxf2#
- 1...Rc6
- 2.Qxf2#
- 1...Rc7
- 2.Qxf2#
- 1...Rcc8
- 2.Qxf2#
- 1...Rb1
- 2.h8Q#
- 2.h8R#
- 1...Rb2
- 2.h8Q#
- 2.h8R#
- 1...Rb3
- 2.h8Q#
- 2.h8R#
- 1...Rb4
- 2.h8Q#
- 2.h8R#
- 1...Rb5
- 2.h8Q#
- 2.h8R#
- 1...Rb6
- 2.h8Q#
- 2.h8R#
- 1...Rb7
- 2.h8Q#
- 2.h8R#
- 1...Bxa2
- 2.Rh5#
- 1...Bb3
- 2.Rh5#
- 1...Bc4
- 2.Rh5#
- 1...Bc6
- 2.Rh5#
- 1...Bb7
- 2.Rh5#
- 1...Ba8
- 2.Rh5#
- 1...Ba3
- 2.Bxf6#
- 1...Bb4
- 2.Bxf6#
- 1...Bc5
- 2.Bxf6#
- 1...Bd6
- 2.Bxf6#
- 1...Bd8
- 2.h8Q#
- 2.h8R#
- 1...Bf8
- 2.Bxf6#
- 2.h8Q#
- 2.h8R#
- 1...e5
- 2.Sf5#
- 1...Rc1
- Tries
- 1.Sxf2?
- threat
- 2.Sf3#
- 1...Rxf2
- 2.Qxf2#
- 1...Rb4
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.Rh5#
- 1...Bb4
- 2.Bxf6#
- 1...Rc4!
- threat
- 1.Se5?
- threat
- 2.Sdf3#
- 1...Rc4
- 2.Qxf2#
- 1...Rb4
- 2.h8Q#
- 2.h8R#
- 1...Bb4
- 2.Bxf6#
- 1...Bc4!
- threat
- 1.Sxf6?
- threat
- 2.Sf3#
- 1...Rc4
- 2.Qxf2#
- 1...Rb4
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.Rh5#
- 1...Bb4!
- threat
- 1.Sh6?
- threat
- 2.Sf3#
- 1...Rc4
- 2.Qxf2#
- 1...Bc4
- 2.Rh5#
- 1...Bb4
- 2.Bxf6#
- 1...Rb4!
- threat
- 1.Rxd5?
- threat
- 2.Rh5#
- 1...exd5
- 2.Sf5#
- 1...Rc5
- 2.Qxf2#
- 1...Rb5
- 2.h8Q#
- 2.h8R#
- 1...e5
- 2.Sf5#
- 1...f5!
- threat
- 1.Sxf2?
- Keys
- 1.Se3!
- threat
- 2.Sf3#
- 1...Rc4
- 2.Qxf2#
- 1...Rb4
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.Rh5#
- 1...Bb4
- 2.Bxf6#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- R(a);OGATE::QAB(B),XP(b)
- R(j);N_GUARD::P=Q
- B(f);OGATE,XQ(B)::R1(H)
- B(f);OGATE::R1(H)
- B(i);N_GUARD::B(J),XP(h)
- B(i);S_CUTR(j)::P=Q
- P(g);N_GUARD::S(F)
- Tries
- Try
- S(G);XP(b)
- Threat
- S(F)
- Vars
- R(a);OGATE,XS(G)::QAB(B),XR(a)
- R(j);N_GUARD::P=Q
- B(f);OGATE::R1(H)
- B(i);N_GUARD::B(J),XP(h)
- Refutation
- R(a);
- Try
- S(G);
- Threat
- S(F)
- Vars
- R(a);OGATE::QAB(B),XP(b)
- R(j);N_GUARD::P=Q
- B(i);N_GUARD::B(J),XP(h)
- Refutation
- B(f);
- Try
- S(G);XP(h)
- Threat
- S(F)
- Vars
- R(a);OGATE::QAB(B),XP(b)
- R(j);N_GUARD::P=Q
- B(f);OGATE::R1(H)
- Refutation
- B(i);
- Try
- S(G);
- Threat
- S(F)
- Vars
- R(a);OGATE::QAB(B),XP(b)
- B(f);OGATE::R1(H)
- B(i);N_GUARD::B(J),XP(h)
- Refutation
- R(j);
- Try
- R(H);XB(f)
- Threat
- R1(H)
- Vars
- P(g);N_GUARD,XR(H)::S(F)
- R(a);OGATE::QAB(B),XP(b)
- R(j);N_GUARD::P=Q
- P(g);N_GUARD::S(F)
- Refutation
- P(h);
- Try
- Actual
- S(G);
- Threat
- S(F)
- Vars
- R(a);OGATE::QAB(B),XP(b)
- R(j);N_GUARD::P=Q
- B(f);OGATE::R1(H)
- B(i);N_GUARD::B(J),XP(h)
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).