MESON Chess Problem Database
Problem Display
PID: 60074 (B1KN1B1r/1N2p3/pp5n/P2k2r1/1pp1R3/Q3R3/qnP5/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 2005
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...b3
- 2.Sd6#
- 1...e5
- 2.Sc5#
- 1...e6
- 2.Sc5#
- 1...b3
- Tries
- 1.Sc5+?
- 1...Kd6
- 2.Bxe7#
- 1...Kxc5!
- 1...Kd6
- 1.Sd6+?
- 1...Kxd6
- 2.Bxe7#
- 1...Kc5!
- 1...Kxd6
- 1.Bxe7?
- threat
- 2.Sc5#
- 1...Rxd8+
- 2.Sxd8#
- 1...Rg6!
- threat
- 1.Re5+?
- 1...Kd4
- 2.Sc6#
- 2.Se6#
- 2.R3e4#
- 1...Rxe5!
- 1...Kd4
- 1.Qc3?
- threat
- 2.Rd4#
- 2.Qd4#
- 1...Rg4
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Sf5
- 2.Re5#
- 2.Qe5#
- 1...e5
- 2.Sc5#
- 1...bxc3!
- threat
- 1.Sc5+?
- Keys
- 1.c3!
- threat
- 2.Rd4#
- 1...bxc3
- 2.Sd6#
- 1...Rg4
- 2.Re5#
- 1...Sf5
- 2.Re5#
- 1...e5
- 2.Sc5#
- threat
- 1.c3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- P(c);::B(G)+S(F)
- P(j);::B(G)+S(F)
- Tries
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINP(j)::B(J),XP(j)
- Refutation
- K(e);P-FLIGHT,P_SPINP(c),XS(F)
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT,P_SPINP(c),XS(F)::B(J),XP(j)
- Refutation
- K(e);P-FLIGHT,P_SPINP(c)
- Try
- B(J);P_SPINS(I),XP(j)
- Threat
- B(G)+S(F)
- Vars
- R(k);CHECK,XS(I)::B(G)+S(F),XR(k)
- Refutation
- R(f);
- Try
- R(D);CHECK
- Refutation
- R(f);XR(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(j);::B(G)+S(F)
- Refutation
- P(c);XQ(B)
- Try
- Actual
- P(A);
- Threat
- R1(D)
- Vars
- P(c);XP(A)::B(G)+S(F)
- R(f);N_GUARD::R1(D)
- S(i);S_CUTR(f)::R1(D)
- P(j);::B(G)+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).