MESON Chess Problem Database
Problem Display
PID: 68466 (1K2N3/B1p5/4p3/4k1p1/1R2Ppbq/N4r2/3R4/5n1Q w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 2006
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qh8#
- 1...Qf2
- 2.Qh8#
- 1...Qg3
- 2.Qh8#
- 1...Qh8
- 2.Qxh8#
- 1...Rf2
- 2.Sc4#
- 2.Bd4#
- 1...Rxa3
- 2.Bd4#
- 1...Rb3
- 2.Sc4#
- 2.Bd4#
- 1...Rc3
- 2.Bd4#
- 1...Rd3
- 2.Sc4#
- 1...Re3
- 2.Sc4#
- 2.Bd4#
- 1...Rg3
- 2.Sc4#
- 2.Bd4#
- 1...Rh3
- 2.Sc4#
- 2.Bd4#
- 1...Se3
- 2.Qa1#
- 1...Qe1
- Tries
- 1.Re2?
- threat
- 2.Sc4#
- 2.Bd4#
- 1...Rxa3
- 2.Bd4#
- 1...Qf2
- 2.Sc4#
- 2.Qh8#
- 1...Rc3
- 2.Bd4#
- 1...Rd3
- 2.Sc4#
- 1...Sd2
- 2.Bd4#
- 1...Se3
- 2.Qa1#
- 1...c5!
- threat
- 1.Rb5+?
- 1...Kxe4
- 2.Sf6#
- 1...c5!
- 1...Kxe4
- 1.Qxf3?
- threat
- 2.Sc4#
- 2.Bd4#
- 2.Qc3#
- 1...Sxd2
- 2.Bd4#
- 2.Qc3#
- 1...Qf2
- 2.Sc4#
- 1...Qg3
- 2.Sc4#
- 2.Bd4#
- 1...Qh3
- 2.Sc4#
- 2.Bd4#
- 1...Se3
- 2.Bd4#
- 1...c5
- 2.Sc4#
- 2.Qc3#
- 1...Bxf3!
- threat
- 1.Re2?
- Keys
- 1.Rc2!
- threat
- 2.Rc5#
- 1...Qf2
- 2.Qh8#
- 1...Rc3
- 2.Bd4#
- 1...Rd3
- 2.Sc4#
- 1...Se3
- 2.Qa1#
- 1...c5
- 2.Rxc5#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(e);OGATE::QAB(A)
- Q(e);OGATE,P_PINS(H)::QAB(A),XQ(e)
- R(b);XS(C)::B(F)
- R(b);::B(F)
- R(b);::S(C)
- S(a);OGATE::QAB(A)
- Tries
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::B(F)
- R(b);::B(F)
- R(b);::S(C)
- S(a);::B(F)
- S(a);OGATE::QAB(A)
- Refutation
- P(i);
- Try
- R(D);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINR(b),XP(E)::S(H)
- Refutation
- P(i);P_SPINP(i)
- Try
- Q(A);XR(b)
- Threat
- DUALS(3)
- Vars
- Q(e);::S(C)
- S(a);::B(F)
- Refutation
- B(d);XQ(A)
- Try
- Actual
- R(B);
- Threat
- R(B)
- Vars
- Q(e);OGATE::QAB(A)
- R(b);::B(F)
- R(b);::S(C)
- S(a);OGATE::QAB(A)
- P(i);::R(B),XP(i)
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).