MESON Chess Problem Database
Problem Display
PID: 187529 (1br5/R2p4/pR3N2/1b2k1P1/2ppPp2/B6B/1N1Q3K/8 w - - 0 1)
Mira-Kraft, Edwin
Der Tagesspiegel (Berlin), 2001
(First published on Sun Aug 12 2001)
#2
10 + 9
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Bd6#
- 1...Bc6
- 2.Sxc4#
- 1...Bd6
- 2.Bxd6#
- 1...Bxa7
- 2.Bd6#
- 1...d3
- 2.Qc3#
- 1...d5
- 2.Re6#
- 2.Re7#
- 1...d6
- 2.Re7#
- 1...Rc7
- Tries
- 1.Bc5?
- threat
- 2.Bxd4#
- 2.Qxd4#
- 1...Rc6
- 2.Qxd4#
- 1...Bc6
- 2.Sxc4#
- 2.Qxd4#
- 1...d3
- 2.Qc3#
- 1...f3
- 2.Bxd4#
- 1...Rxc5!
- threat
- 1.Bf5?
- threat
- 2.Sg4#
- 1...d3
- 2.Qc3#
- 1...Rh8+!
- threat
- 1.Rxb5+?
- 1...Rc5
- 2.Sxc4#
- 1...d5
- 2.Rxd5#
- 2.Re7#
- 1...axb5!
- 1...Rc5
- 1.Rd6?
- threat
- 2.Rd5#
- 2.Qxd4#
- 1...Bxa7
- 2.Rd5#
- 1...Rc5
- 2.Qxd4#
- 1...Bc6
- 2.Sxc4#
- 2.Qxd4#
- 1...d3
- 2.Rd5#
- 2.Qc3#
- 1...f3
- 2.Rd5#
- 1...Bxd6!
- threat
- 1.Rc7?
- threat
- 2.Bd6#
- 1...d3
- 2.Qc3#
- 1...Bc6
- 2.Sxc4#
- 1...d6
- 2.Bxd6#
- 2.Re7#
- 1...Bxc7!
- threat
- 1.Rxd7?
- threat
- 2.Re6#
- 2.Rd5#
- 2.Re7#
- 2.Qxd4#
- 1...Rc5
- 2.Re6#
- 2.Re7#
- 2.Qxd4#
- 1...Rc6
- 2.Rd5#
- 2.Qxd4#
- 1...Rc7
- 2.Bd6#
- 2.Re6#
- 2.Rd5#
- 2.Qxd4#
- 1...Rd8
- 2.Re6#
- 2.Re7#
- 2.Qxd4#
- 1...Re8
- 2.Rd5#
- 2.Qxd4#
- 1...Bc6
- 2.Sxc4#
- 2.Re7#
- 2.Qxd4#
- 1...Bd6
- 2.Bxd6#
- 1...d3
- 2.Re6#
- 2.Rd5#
- 2.Qc3#
- 1...f3
- 2.Re6#
- 2.Rd5#
- 2.Re7#
- 1...Bxd7!
- threat
- 1.Qc2?
- threat
- 2.Sg4#
- 1...d3
- 2.Qc3#
- 1...Rc6
- 2.Sxd7#
- 1...Bc6
- 2.Sxc4#
- 1...Bd6
- 2.Bxd6#
- 1...d6
- 2.Re7#
- 1...f3!
- threat
- 1.Qg2?
- threat
- 2.Sg4#
- 1...f3
- 2.Qg3#
- 1...Rc6
- 2.Sxd7#
- 1...Bc6
- 2.Sxc4#
- 1...Bd6
- 2.Bxd6#
- 1...d6
- 2.Re7#
- 1...d3!
- threat
- 1.Bc5?
- Keys
- 1.Qe1!
- threat
- 2.Sg4#
- 1...d3
- 2.Qc3#
- 1...f3
- 2.Qg3#
- 1...Rc6
- 2.Sxd7#
- 1...Bc6
- 2.Sxc4#
- 1...Bd6
- 2.Bxd6#
- 1...d6
- 2.Re7#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(i);S_CUTB(h)::B(D)
- B(d);N_GUARD,S_CUTR(i)::S(A),XP(a)
- B(h);N_GUARD::B(D),XB(h)
- B(h);N_GUARD,XR(J)::B(D)
- P(b);OGATEB::QAB(B)
- P(g);OGATE::R(J)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(i);::QAB1(B),XP(b)
- P(b);OGATEB::QAB(B)
- P(c);::B(D),XP(b)
- Refutation
- R(i);XB(D)
- Try
- B(E);
- Threat
- S(I)
- Vars
- P(b);OGATEB::QAB(B)
- Refutation
- R(i);CHECK
- Try
- R(H);CHECK,XB(d)
- Vars
- R(i);P_SPINR(i)::S(A),XP(a)
- Refutation
- P(f);XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- B(h);XR(J)::R1(H)
- R(i);::QAB1(B),XP(b)
- P(c);::R1(H)
- Refutation
- B(h);XR(H)
- Try
- R(J);
- Threat
- B(D)
- Vars
- P(b);OGATEB::QAB(B)
- B(d);N_GUARD::S(A),XP(a)
- Refutation
- B(h);XR(J)
- Try
- R(J);XP(g)
- Threat
- DUALS(4)
- Vars
- B(h);N_GUARD::B(D),XB(h)
- Refutation
- B(d);XR(J)
- Try
- Q(B);
- Threat
- S(I)
- Vars
- P(b);OGATEB::QAB(B)
- R(i);S_CUTB(d)::S(I),XP(g)
- B(d);N_GUARD,S_CUTR(i)::S(A),XP(a)
- B(h);N_GUARD::B(D),XB(h)
- P(g);OGATE::R(J)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- S(I)
- Vars
- P(c);OGATEB::QAB(B)
- R(i);S_CUTB(d)::S(I),XP(g)
- B(d);N_GUARD,S_CUTR(i)::S(A),XP(a)
- B(h);N_GUARD::B(D),XB(h)
- P(g);OGATE::R(J)
- Refutation
- P(b);
- Try
- Actual
- Q(B);
- Threat
- S(I)
- Vars
- P(b);OGATEB::QAB(B)
- P(c);OGATEB::QAB(B)
- R(i);S_CUTB(d)::S(I),XP(g)
- B(d);N_GUARD,S_CUTR(i)::S(A),XP(a)
- B(h);N_GUARD::B(D),XB(h)
- P(g);OGATE::R(J)
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).