MESON Chess Problem Database
Problem Display
PID: 188397 (2br4/b7/7N/1QNnRp2/1p1k4/1B1p2B1/1n1P4/4K3 w - - 0 1)
Schonholzer, Andreas
Schweizerische Arbeiter Schachzeitung, 1968
#2
8 + 9
| 328 | Schweizerische Schachzeitung | 1969 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Se6#
- 2.Sxf5#
- 1...Rf8
- 2.Rxd5#
- 1...Rg8
- 2.Rxd5#
- 1...Rh8
- 2.Rxd5#
- 1...Ba6
- 2.Se6#
- 2.Sxf5#
- 1...Be6
- 2.Sxe6#
- 1...Bb7
- 2.Se6#
- 2.Sxf5#
- 1...Bd7
- 2.Rxd5#
- 1...Sd1
- 2.Qc4#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...f4
- 2.Re4#
- 1...Rd7
- Tries
- 1.Sd7?
- threat
- 2.Sxf5#
- 2.Qxd5#
- 1...Rxd7
- 2.Sxf5#
- 1...Bxd7
- 2.Qxd5#
- 1...Rf8
- 2.Qxd5#
- 1...Bc5
- 2.Sxf5#
- 2.Qxc5#
- 1...Bb7
- 2.Sxf5#
- 1...Sc3
- 2.Sxf5#
- 2.Bf2#
- 1...Sf4
- 2.Sxf5#
- 2.Bf2#
- 1...Sb6
- 2.Sxf5#
- 2.Bf2#
- 2.Qc5#
- 1...Sf6
- 2.Sxf5#
- 2.Bf2#
- 1...Sc7
- 2.Sxf5#
- 2.Bf2#
- 1...Se7
- 2.Bf2#
- 1...f4
- 2.Sf5#
- 2.Qxd5#
- 1...Se3!
- threat
- 1.Bd1?
- threat
- 2.Sb3#
- 1...f4
- 2.Re4#
- 1...b3
- 2.Sxb3#
- 1...Bxc5!
- threat
- 1.Ba2?
- threat
- 2.Sb3#
- 1...f4
- 2.Re4#
- 1...b3
- 2.Sxb3#
- 1...Bxc5!
- threat
- 1.Bc2?
- threat
- 2.Sb3#
- 1...f4
- 2.Re4#
- 1...b3
- 2.Sxb3#
- 1...Bxc5!
- threat
- 1.Ba4?
- threat
- 2.Sb3#
- 1...f4
- 2.Re4#
- 1...b3
- 2.Sxb3#
- 1...Bxc5!
- threat
- 1.Bc4?
- threat
- 2.Sb3#
- 1...f4
- 2.Re4#
- 1...b3
- 2.Sxb3#
- 1...Bxc5!
- threat
- 1.Re6?
- threat
- 2.Sxf5#
- 2.Be5#
- 1...Bxc5
- 2.Sxf5#
- 1...Rf8
- 2.Be5#
- 1...Bb8
- 2.Sxf5#
- 1...Sc4
- 2.Sxf5#
- 2.Qxc4#
- 1...Se3
- 2.Be5#
- 1...Sf4
- 2.Sxf5#
- 2.Bf2#
- 1...Se7
- 2.Bf2#
- 2.Be5#
- 1...f4
- 2.Sf5#
- 2.Re4#
- 1...Bxe6!
- threat
- 1.Qxb4+?
- 1...Sc4
- 2.Qxc4#
- 1...Sxb4!
- 1...Sc4
- 1.Sd7?
- Keys
- 1.Qd7!
- threat
- 2.Se6#
- 2.Rxd5#
- 1...Kxc5
- 2.Bf2#
- 1...Rxd7
- 2.Se6#
- 1...Bxc5
- 2.Sxf5#
- 1...Bxd7
- 2.Rxd5#
- 1...f4
- 2.Rxd5#
- 1...Re8
- 2.Qxd5#
- 1...Bb7
- 2.Se6#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::R1(G),XS(e)
- B(h);N_GUARD::S(F),XB(h)
- B(h);S_CUTR(i)::R1(G),XS(e)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- P(f);N_GUARD::R1(G)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(i);XS(F)::S(H),XP(f)
- B(h);XS(F)::QAR1(E),XS(e)
- R(i);::QAR1(E),XS(e)
- B(h);::S(H),XP(f)
- S(e);N_GUARD::B(D)
- Refutation
- S(e);
- Try
- B(C);
- Threat
- S(F)
- Vars
- P(f);N_GUARD::R1(G)
- P(c);::S(F),XP(c)
- Refutation
- B(g);XS(F)
- Try
- B(C);
- Threat
- S(F)
- Vars
- P(f);N_GUARD::R1(G)
- P(c);::S(F),XP(c)
- Refutation
- B(g);XS(F)
- Try
- B(C);
- Threat
- S(F)
- Vars
- P(f);N_GUARD::R1(G)
- P(c);::S(F),XP(c)
- Refutation
- B(g);XS(F)
- Try
- B(C);
- Threat
- S(F)
- Vars
- P(f);N_GUARD::R1(G)
- P(c);::S(F),XP(c)
- Refutation
- B(g);XS(F)
- Try
- B(C);
- Threat
- S(F)
- Vars
- P(f);N_GUARD::R1(G)
- P(c);::S(F),XP(c)
- Refutation
- B(g);XS(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(g);XS(F)::S(H),XP(f)
- R(i);::B(D)
- B(g);::S(H),XP(f)
- S(e);::B(D)
- Refutation
- B(h);XR(G)
- Try
- Q(E);CHECK,XP(c)
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(E),XS(a)
- Refutation
- S(e);XQ(E)
- Try
- Actual
- Q(E);P_PINS(e)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XS(F)::B(D)
- R(i);N_SPINS(e),XQ(E)::S(F)
- B(g);SBLOCK,XS(F)::S(H),XP(f)
- B(h);N_SPINS(e),XQ(E)::R1(G),XS(e)
- P(f);::R1(G),XS(e)
- R(i);N_GUARD,P_PINR(G)::QAR1(E),XS(e)
- B(h);::S(F)
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).