MESON Chess Problem Database
Problem Display
PID: 46018 (3NK3/1p1p1pp1/3kbbN1/2Rp4/1r5B/2Q3P1/8/8 w - - 0 1)
Bartel, Erich
Problem Paradise, 2002
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Sxb7#
- 1...Rc4
- 2.Sxb7#
- 1...Rd4
- 2.Sxb7#
- 1...Re4
- 2.Sxb7#
- 1...Rf4
- 2.Sxb7#
- 1...Rg4
- 2.Sxb7#
- 1...Rxh4
- 2.Sxb7#
- 1...Bxc3
- 2.Be7#
- 1...Bd4
- 2.Be7#
- 1...Be5
- 2.Be7#
- 1...Be7
- 2.Bxe7#
- 1...b5
- 2.Sb7#
- 1...b6
- 2.Sb7#
- 1...Ra4
- Tries
- 1.Bxf6?
- threat
- 2.Be5#
- 2.Be7#
- 1...Rc4
- 2.Sxb7#
- 2.Be7#
- 1...Re4
- 2.Sxb7#
- 2.Be7#
- 1...gxf6!
- threat
- 1.Qxb4?
- threat
- 2.Sxb7#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 2.Qb6#
- 1...Bxd8
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc8#
- 1...Bh3
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 2.Qb6#
- 1...Bg4
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 2.Qb6#
- 1...Bf5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 2.Qb6#
- 1...Bc3
- 2.Sxb7#
- 2.Be7#
- 2.Rxc3#
- 2.Rc6#
- 2.Qb6#
- 1...Bd4
- 2.Sxb7#
- 2.Be7#
- 2.Rc6#
- 2.Qb6#
- 1...d4
- 2.Sxb7#
- 2.Qb6#
- 1...b5
- 2.Sb7#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 1...b6
- 2.Sb7#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 2.Qxb6#
- 1...fxg6!
- threat
- 1.Qe5+?
- 1...Bxe5
- 2.Be7#
- 1...Kxc5!
- 1...Bxe5
- 1.Bxf6?
- Keys
- 1.Rc8!
- threat
- 2.Qxb4#
- 2.Qc5#
- 2.Qc7#
- 1...Rxh4
- 2.Sxb7#
- 2.Qc5#
- 2.Qc7#
- 1...Bxc3
- 2.Be7#
- 1...Bxd8
- 2.Qxb4#
- 2.Qe5#
- 2.Qc5#
- 1...fxg6
- 2.Qc7#
- 1...d4
- 2.Qc5#
- 1...Rb1
- 2.Qc5#
- 2.Qc7#
- 1...Rb2
- 2.Qc5#
- 2.Qc7#
- 1...Rb3
- 2.Qc5#
- 2.Qc7#
- 1...Ra4
- 2.Sxb7#
- 2.Qc5#
- 2.Qc7#
- 1...Rc4
- 2.Sxb7#
- 1...Rd4
- 2.Sxb7#
- 2.Qc5#
- 2.Qc7#
- 1...Re4
- 2.Sxb7#
- 2.Qc5#
- 2.Qc7#
- 1...Rf4
- 2.Sxb7#
- 2.Qc5#
- 2.Qc7#
- 1...Rg4
- 2.Sxb7#
- 2.Qc5#
- 2.Qc7#
- 1...Rb5
- 2.Qc7#
- 1...Rb6
- 2.Qc5#
- 2.Qc7#
- 1...Bd4
- 2.Be7#
- 2.Qc7#
- 1...b6
- 2.Sb7#
- 2.Qxb4#
- 2.Qc7#
- threat
- 1.Rc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::S(F),XP(f)
- R(a);N_GUARD,XB(C)::S(F),XP(f)
- B(e);OGATE,XQ(A)::B(C)
- B(e);OGATE::B(C)
- B(e);OGATE::B(C),XB(e)
- P(f);S_CUTR(a)::S(F)
- Tries
- Try
- B(C);XB(e)
- Threat
- DUALS(2)
- Refutation
- P(i);XB(C)
- Try
- Q(A);XR(a)
- Threat
- DUALS(8)
- Refutation
- P(h);XS(E)
- Try
- Q(A);CHECK
- Vars
- B(e);OGATE,XQ(A)::B(C)
- Refutation
- K(c);P_SPINP(b),S_FLIGHT,XR(D)
- Try
- Actual
- R(D);
- Threat
- DUALS(3)
- Vars
- B(e);OGATE,XQ(A)::B(C)
- P(h);XS(E)::QAB1(A)
- P(b);::QAB1(A)
- R(a);N_GUARD::S(F),XP(f)
- R(a);::QAB1(A)
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).