MESON Chess Problem Database
Problem Display
PID: 132353 (1N1k1N2/p2P2p1/2pPp1K1/8/1Q6/8/b6p/brr1B3 w - - 0 1)
Casa, Alex
2nd Prize, Europe Echecs, 1994-1995
#2
7 + 10
| 14620 | Sunningdale Machine Gun Solving | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Bh4#
- 2.Qh4#
- 1...Rb3
- 2.Sxe6#
- 1...Rd1
- 2.Sxc6#
- 1...Rxe1
- 2.Sxc6#
- 1...Rc3
- 2.Bh4#
- 2.Qh4#
- 1...Rc4
- 2.Sxe6#
- 1...Bb2
- 2.Qa5#
- 1...Bc3
- 2.Sxc6#
- 1...Bb3
- 2.Qa5#
- 1...Bc4
- 2.Sxc6#
- 1...c5
- 2.Sc6#
- 1...e5
- 2.Bh4#
- 2.Qh4#
- 1...Rb2
- Tries
- 1.Qc3?
- threat
- 2.Sxc6#
- 2.Bh4#
- 1...Rxb8
- 2.Bh4#
- 1...Rxe1
- 2.Sxc6#
- 1...Rxc3
- 2.Bh4#
- 1...Bxc3
- 2.Sxc6#
- 1...h1B
- 2.Bh4#
- 1...h1R
- 2.Sxc6#
- 1...Rb4
- 2.Sxc6#
- 1...Rb5
- 2.Sxc6#
- 1...Rb6
- 2.Bh4#
- 1...Bd5
- 2.Bh4#
- 1...c5
- 2.Sc6#
- 2.Bh4#
- 1...h1Q!
- threat
- 1.Qb2?
- threat
- 2.Bh4#
- 2.Ba5#
- 1...Rxb2
- 2.Bh4#
- 1...Rxe1
- 2.Sxc6#
- 1...Bxb2
- 2.Ba5#
- 1...h1Q
- 2.Ba5#
- 1...h1R
- 2.Ba5#
- 1...Rc3
- 2.Bh4#
- 1...Rc4
- 2.Sxe6#
- 2.Ba5#
- 1...a5
- 2.Bh4#
- 2.Bxa5#
- 1...Rc5!
- threat
- 1.Qc4?
- threat
- 2.Sxc6#
- 2.Sxe6#
- 1...Rxe1
- 2.Sxc6#
- 1...Rxc4
- 2.Sxe6#
- 1...Bxc4
- 2.Sxc6#
- 1...h1Q
- 2.Sxe6#
- 1...h1B
- 2.Sxe6#
- 1...Rb6
- 2.Sxe6#
- 1...c5
- 2.Sc6#
- 2.Sxe6#
- 1...e5
- 2.Sxc6#
- 2.Se6#
- 2.Bh4#
- 2.Qh4#
- 1...Rxb8!
- threat
- 1.Qc3?
- Keys
- 1.Qb3!
- threat
- 2.Sxe6#
- 2.Ba5#
- 1...Rxb3
- 2.Sxe6#
- 1...Rxe1
- 2.Sxc6#
- 1...Bxb3
- 2.Ba5#
- 1...Rc3
- 2.Sxe6#
- 2.Bh4#
- 1...Rc5
- 2.Sxe6#
- 1...Bc3
- 2.Sxc6#
- 2.Sxe6#
- 1...Bd4
- 2.Sxe6#
- 1...e5
- 2.Se6#
- 2.Bh4#
- 2.Ba5#
- 1...a5
- 2.Sxe6#
- 2.Bxa5#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);S_CUTB(d)::S(G),XP(g)
- R(c);N_GUARD::S(F),XP(f)
- R(c);N_GUARD,XB(A)::S(F),XP(f)
- R(c);S_CUTB(d)::S(G),XP(g)
- B(a);S_CUTR(b)::QAB(B)
- B(a);S_CUTR(c)::S(F),XP(f)
- B(d);S_CUTR(b)::QAB(B)
- B(d);S_CUTR(c)::S(F),XP(f)
- P(f);S_CUTR(c)::S(F)
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);XS(F)::B(A)
- R(c);XB(A)::S(F),XP(f)
- R(c);XQ(B)::B(A)
- B(a);XQ(B)::S(F),XP(f)
- P(e);::B(A)
- P(e);::S(F),XP(f)
- R(b);::S(F),XP(f)
- R(b);::B(A)
- B(d);::B(A)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);XQ(B)::B(A)
- R(c);N_GUARD,XB(A)::S(F),XP(f)
- B(a);XQ(B)::B(A)
- P(e);::B(A)
- R(c);::B(A)
- Refutation
- R(c);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(c);XB(A)::S(F),XP(f)
- R(c);XQ(B)::S(G),XP(g)
- B(d);XQ(B)::S(F),XP(f)
- P(e);::S(G),XP(g)
- R(b);::S(G),XP(g)
- Refutation
- R(b);XS(F)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);XQ(B)::S(G),XP(g)
- R(c);N_GUARD,XB(A)::S(F),XP(f)
- B(d);XQ(B)::B(A)
- R(c);::S(G),XP(g)
- B(a);::S(G),XP(g)
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).