MESON Chess Problem Database
Problem Display
PID: 158408 (5b2/6pq/bR2N3/3k2Nn/3P4/nP1p3p/K1P1P1rB/7B w - - 0 1)
Ahues, Herbert Siegfried Oskar
Europe Echecs, 1962
#2
10 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qg8
- 2.e4#
- 1...Qh6
- 2.e4#
- 1...Qh8
- 2.e4#
- 1...Bd6
- 2.Rxd6#
- 1...Sb5
- 2.c4#
- 1...g6
- 2.e4#
- 1...Qg8
- Tries
- 1.Bxg2+?
- 1...Qe4
- 2.Bxe4#
- 1...hxg2!
- 1...Qe4
- 1.Bg1?
- threat
- 2.Sc7#
- 1...Sb5
- 2.c4#
- 1...g6
- 2.e4#
- 1...Bd6!
- threat
- 1.c3?
- threat
- 2.Sc7#
- 1...Bd6
- 2.Rxd6#
- 1...Sb5
- 2.c4#
- 1...g6!
- threat
- 1.e3?
- threat
- 2.Sc7#
- 1...Bd6
- 2.Rxd6#
- 1...g6
- 2.e4#
- 1...Sb5!
- threat
- 1.Bxg2+?
- Keys
- 1.Be5!
- threat
- 2.Sc7#
- 1...Bd6
- 2.Rxd6#
- 1...Sb5
- 2.c4#
- 1...g6
- 2.e4#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(i);N_GUARD::P(D)
- B(j);N_GUARD::R1(I),XB(j)
- S(b);N_GUARD,S_CUTB(g)::P(C)
- P(h);S_CUTQ(i)::P(D)
- Tries
- Try
- B(A);CHECK,XR(a)
- Vars
- Q(i);N_GUARD,P_SPINQ(i)::B(A),XQ(i)
- Refutation
- P(d);XB(A)
- Try
- B(E);
- Threat
- S(J)
- Vars
- S(b);N_GUARD,S_CUTB(g)::P(C)
- P(h);S_CUTQ(i)::P(D)
- Refutation
- B(j);
- Try
- P(C);P_SPINP(D)
- Threat
- S(J)
- Vars
- B(j);N_GUARD::R1(I),XB(j)
- S(b);N_GUARD,S_CUTB(g)::P(C)
- Refutation
- P(h);
- Try
- P(D);P_SPINP(C)
- Threat
- S(J)
- Vars
- B(j);N_GUARD::R1(I),XB(j)
- P(h);S_CUTQ(i)::P(D)
- Refutation
- S(b);
- Try
- Actual
- B(E);
- Threat
- S(J)
- Vars
- B(j);N_GUARD::R1(I),XB(j)
- S(b);N_GUARD,S_CUTB(g)::P(C)
- P(h);S_CUTQ(i)::P(D)
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).