MESON Chess Problem Database
Problem Display
PID: 287174 (1Q5b/2N5/K1p1p1p1/2k1B3/n3br2/1P1p3q/6p1/4N3 w - - 0 1)
Moser, Hans
To Mat, 1956
#2
6 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Qf8#
- 1...Rh4
- 2.Qf8#
- 1...Rf8
- 2.Qxf8#
- 1...Bf3
- 2.Sxd3#
- 1...Bf5
- 2.Qf8#
- 1...Sb2
- 2.Qb6#
- 1...Sc3
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 1...Rg4
- Tries
- 1.Sd5?
- threat
- 2.Qd6#
- 1...Kxd5
- 2.Qd6#
- 1...Bxe5!
- threat
- 1.Sxe6+?
- 1...Kd5
- 2.Qd6#
- 1...Qxe6!
- 1...Kd5
- 1.Sa8?
- threat
- 2.Qd6#
- 1...Kd5
- 2.Qd6#
- 1...Bxe5!
- threat
- 1.Se8?
- threat
- 2.Qd6#
- 1...Kd5
- 2.Qd6#
- 1...Bxe5!
- threat
- 1.Qa7+?
- 1...Sb6
- 2.Qxb6#
- 1...Kb4!
- 1...Sb6
- 1.Sd5?
- Keys
- 1.Ka5!
- threat
- 2.Qb4#
- 1...Bf3
- 2.Sxd3#
- 1...Bd5
- 2.Sa6#
- 1...Bf5
- 2.Qf8#
- 1...Sb6
- 2.Qxb6#
- threat
- 1.Ka5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(f);N_GUARD::QAB(F)
- R(f);N_GUARD::QAB(F),XR(f)
- B(e);N_GUARD,S_CUTQ(c)::S(A),XP(b)
- B(e);S_CUTR(f)::QAB(F)
- S(d);N_GUARD::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- Tries
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(g);P-FLIGHT,XS(E)::QAR1(F)
- Refutation
- B(k);XB(C)
- Try
- S(E);CHECK,XP(i)
- Vars
- K(g);P-FLIGHT::QAR1(F)
- Refutation
- Q(c);XS(E)
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(g);P-FLIGHT::QAR1(F)
- Refutation
- B(k);XB(C)
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- K(g);P-FLIGHT::QAR1(F)
- Refutation
- B(k);XB(C)
- Try
- Q(F);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(F),XS(d)
- Refutation
- K(g);S_FLIGHT
- Try
- Actual
- K(D);P-FLIGHT
- Threat
- QAB1(F)
- Vars
- B(e);N_GUARD,S_CUTQ(c)::S(A),XP(b)
- B(e);SBLOCK::S(E)
- B(e);S_CUTR(f)::QAB(F)
- S(d);N_GUARD::QAB1(F),XS(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).