MESON Chess Problem Database
Problem Display
PID: 259413 (4N1Kn/r1P5/1qpRPN2/2p1k1pr/1p2B1P1/5pP1/8/b1Q2n1b w - - 0 1)
Lubton, Yehuda
Probleemblad, 1994
#2
10 + 13
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxc7
- 2.Qxc5#
- 1...Qa6
- 2.Qxc5#
- 1...Qb7
- 2.Qxc5#
- 1...Qb8
- 2.Qxc5#
- 1...Rh2
- 2.Qxg5#
- 1...Rh3
- 2.Qxg5#
- 1...Rh4
- 2.Qxg5#
- 1...Rh6
- 2.Qxg5#
- 1...Rh7
- 2.Qxg5#
- 1...Rb7
- 2.Qxa1#
- 1...Rxc7
- 2.Qxa1#
- 1...Bb2
- 2.Qxb2#
- 1...Qxc7
- Tries
- 1.Bb1?
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rh7
- 2.Qxg5#
- 1...Rxc7!
- threat
- 1.Bc2?
- threat
- 2.Sd7#
- 1...Rxc7
- 2.Qxa1#
- 1...Rh7
- 2.Qxg5#
- 1...Qxc7!
- threat
- 1.Bxf3?
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rxc7
- 2.Qxa1#
- 1...Rh7
- 2.Qxg5#
- 1...Bxf3!
- threat
- 1.Bf5?
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rxc7
- 2.Qxa1#
- 1...Rh7!
- threat
- 1.Bxc6?
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rxc7
- 2.Qxa1#
- 1...Rh7
- 2.Qxg5#
- 1...Qxc6!
- threat
- 1.Bg6?
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rxc7
- 2.Qxa1#
- 1...Rh7
- 2.Qxg5#
- 1...Sxg6!
- threat
- 1.Bh7?
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rxh7
- 2.Qxg5#
- 1...Rxc7
- 2.Qxa1#
- 1...Sg6!
- threat
- 1.Bb1?
- Keys
- 1.Bd3!
- threat
- 2.Sd7#
- 1...Qxc7
- 2.Qxc5#
- 1...Rxc7
- 2.Qxa1#
- 1...Rh7
- 2.Qxg5#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- Q(j);N_GUARD::QAR2(A),XP(f)
- Q(j);N_GUARD,P_PINS(I)::QAR2(A),XP(f)
- R(i);N_GUARD::QAR2(A),XP(h)
- R(l);N_GUARD::QAB(A),XB(a)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- B(a);N_GUARD::QAB(A),XB(a)
- Tries
- Try
- B(C);
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(i);N_GUARD::QAR2(A),XP(h)
- Refutation
- R(l);XP(H)
- Try
- B(C);
- Threat
- S(G)
- Vars
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- R(i);N_GUARD::QAR2(A),XP(h)
- Refutation
- Q(j);XP(H)
- Try
- B(C);XP(d)
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- R(i);N_GUARD::QAR2(A),XP(h)
- Refutation
- B(c);XB(C)
- Try
- B(C);
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- Refutation
- R(i);
- Try
- B(C);XP(k)
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- R(i);N_GUARD::QAR2(A),XP(h)
- Refutation
- Q(j);XB(C)
- Try
- B(C);
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- R(i);N_GUARD::QAR2(A),XP(h)
- Refutation
- S(m);XB(C)
- Try
- B(C);
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(i);N_GUARD,XB(C)::QAR2(A),XP(h)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- Refutation
- S(m);
- Try
- Actual
- B(C);
- Threat
- S(G)
- Vars
- Q(j);N_GUARD,XP(H)::QAR2(A),XP(f)
- R(l);N_GUARD,XP(H)::QAB(A),XB(a)
- R(i);N_GUARD::QAR2(A),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).