MESON Chess Problem Database
Problem Display
PID: 137371 (KB4n1/1n3Q2/4p1r1/6p1/4P1k1/R7/3Nb2R/6r1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Comm., Freie Presse, 1999
#2
7 + 8
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rg3#
- 1...Rc1
- 2.Rg3#
- 1...Rd1
- 2.Rg3#
- 1...Re1
- 2.Rg3#
- 1...Rf1
- 2.Rg3#
- 1...Rh1
- 2.Rg3#
- 1...Rg3
- 2.Rxg3#
- 1...Rf6
- 2.Qh5#
- 1...Rg7
- 2.Qh5#
- 2.Qxe6#
- 1...Bf1
- 2.Qf3#
- 1...Bd3
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 1...Bc4
- 2.Qf3#
- 1...Bb5
- 2.Qf3#
- 1...Ba6
- 2.Qf3#
- 1...Sf6
- 2.Qxe6#
- 1...e5
- 2.Qf5#
- 1...Rb1
- Tries
- 1.Sf1?
- threat
- 2.Se3#
- 1...Rxf1
- 2.Rg3#
- 1...Bxf1
- 2.Qf3#
- 1...Rg3
- 2.Rxg3#
- 1...Rf6
- 2.Qh5#
- 1...Sf6
- 2.Qxe6#
- 1...e5
- 2.Qf5#
- 1...Sd6!
- threat
- 1.Sf3?
- threat
- 2.Se5#
- 1...Bxf3
- 2.Qxf3#
- 1...e5
- 2.Sxe5#
- 1...Rf6
- 2.Qh5#
- 1...Sf6
- 2.Qxe6#
- 1...Bd3!
- threat
- 1.Rh4+?
- 1...gxh4
- 2.Qxg6#
- 1...Kxh4!
- 1...gxh4
- 1.Qf2?
- threat
- 2.Qxg1#
- 2.Qxe2#
- 1...Rg2
- 2.Qxg2#
- 1...Ra1
- 2.Qg3#
- 2.Qxe2#
- 2.Qg2#
- 1...Rb1
- 2.Rg3#
- 2.Qg3#
- 2.Qxe2#
- 2.Qg2#
- 1...Rc1
- 2.Rg3#
- 2.Qg3#
- 2.Qxe2#
- 2.Qg2#
- 1...Rd1
- 2.Rg3#
- 2.Qg3#
- 2.Qxe2#
- 2.Qg2#
- 1...Re1
- 2.Rg3#
- 2.Qg3#
- 2.Qg2#
- 1...Rf1
- 2.Rg3#
- 2.Qg3#
- 2.Qg2#
- 1...Rh1
- 2.Rg3#
- 2.Qg3#
- 2.Qxe2#
- 2.Qg2#
- 1...Rg3
- 2.Rxg3#
- 2.Qxg3#
- 1...Rf6
- 2.Qxg1#
- 1...Bd1
- 2.Qxg1#
- 1...Bf1
- 2.Qf3#
- 1...Bd3
- 2.Qxg1#
- 2.Qf3#
- 1...Bf3
- 2.Qxf3#
- 1...Bc4
- 2.Qxg1#
- 2.Qf3#
- 1...Bb5
- 2.Qxg1#
- 2.Qf3#
- 1...Ba6
- 2.Qxg1#
- 2.Qf3#
- 1...e5
- 2.Qf5#
- 1...Sd6!
- threat
- 1.Sf1?
- Keys
- 1.Sc4!
- threat
- 2.Se3#
- 2.Se5#
- 1...Bxc4
- 2.Qf3#
- 1...Rg3
- 2.Se5#
- 2.Rxg3#
- 1...Rf6
- 2.Qh5#
- 1...Bd3
- 2.Se3#
- 1...Bf3
- 2.Se3#
- 2.Qxf3#
- 1...Sd6
- 2.Se5#
- 1...Sf6
- 2.Qxe6#
- 1...e5
- 2.Sxe5#
- 2.Qf5#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(f);OGATE::QAB1(E)
- B(b);N_GUARD::QAB1(E)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(h);S_CUTR(f)::QAB(E),XP(e)
- P(e);N_GUARD::QAB1(E)
- Tries
- Try
- S(A);
- Threat
- S(A)
- Vars
- R(a);N_GUARD,XS(A)::R1(C)
- B(b);N_GUARD,XS(A)::QAB1(E)
- R(a);N_GUARD::R1(C),XR(a)
- R(f);OGATE::QAB1(E)
- S(h);S_CUTR(f)::QAB(E),XP(e)
- P(e);N_GUARD::QAB1(E)
- Refutation
- S(g);
- Try
- S(A);
- Threat
- S(A)
- Vars
- B(b);OGATE,XS(A)::QAB1(E),XB(b)
- P(e);::S(A),XP(e)
- R(f);OGATE::QAB1(E)
- S(h);S_CUTR(f)::QAB(E),XP(e)
- Refutation
- B(b);
- Try
- R(B);CHECK
- Vars
- P(d);SBLOCK,XR(B)::QAR2(E),XR(f)
- Refutation
- K(c);P-FLIGHT,XR(B)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD::QAR2(E),XR(a)
- R(f);::QAR(E),XR(a)
- B(b);::QAR(E),XR(a)
- B(b);N_GUARD::QAB1(E)
- B(b);N_GUARD::QAB1(E),XB(b)
- P(e);N_GUARD::QAB1(E)
- Refutation
- S(g);
- Try
- Actual
- S(A);
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD,XS(A)::QAB1(E)
- R(f);OGATE::QAB1(E)
- B(b);::S(A)
- S(g);::S(A)
- S(h);S_CUTR(f)::QAB(E),XP(e)
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).