MESON Chess Problem Database
Problem Display
PID: 242876 (7Q/3p4/1KB5/NpN1np1R/2pkP3/1Rp1p3/8/6B1 w - - 0 1)
Degener, Udo
Hlas l'udu, 1989
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...c2
- 2.Bxe3#
- 1...fxe4
- 2.Qxe5#
- 1...f4
- 2.Qxe5#
- 1...dxc6
- 2.Sxc6#
- 1...c2
- Tries
- 1.Bh2?
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...e2
- 2.Bg1#
- 1...f4
- 2.Qxe5#
- 1...d6!
- threat
- 1.Bd5?
- 1...cxb3
- 2.Saxb3#
- 1...fxe4
- 2.Qxe5#
- 1...d6
- 2.Sc6#
- 1...c2
- 2.Bxe3#
- 1...f4
- 2.Qxe5#
- 1...b4!
- 1...cxb3
- 1.Bxd7?
- threat
- 2.Sc6#
- 1...fxe4
- 2.Qxe5#
- 1...cxb3!
- threat
- 1.Rh4?
- threat
- 2.exf5#
- 1...fxe4
- 2.Rxe4#
- 1...dxc6
- 2.Sxc6#
- 1...f4!
- threat
- 1.Rh6?
- threat
- 2.Rd6#
- 1...d6
- 2.Rxd6#
- 1...d5!
- threat
- 1.Qf6?
- threat
- 2.Qd6#
- 1...d6
- 2.Qxd6#
- 1...d5!
- threat
- 1.Bh2?
- Keys
- 1.Bxb5!
- 1...cxb3
- 2.Saxb3#
- 1...fxe4
- 2.Qxe5#
- 1...d6
- 2.Sc6#
- 1...c2
- 2.Bxe3#
- 1...f4
- 2.Qxe5#
- 1...d5
- 2.Sc6#
- 1...cxb3
- 1.Bxb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(a);::B(A),XP(b)
- P(g);XP(C)::QAB1(I),XS(f)
- P(g);::QAB1(I),XS(f)
- P(h);XB(H)::S(D),XP(h)
- Tries
- Try
- B(A);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::B(A)
- P(g);::QAB1(I),XS(f)
- Refutation
- P(h);
- Try
- B(H);
- Vars
- P(c);XR(B)::S(D),XP(c)
- P(g);XP(C)::QAB1(I),XS(f)
- P(h);N_GUARD::S(D)
- P(a);::B(A),XP(b)
- P(g);::QAB1(I),XS(f)
- Refutation
- P(e);
- Try
- B(H);XP(h)
- Threat
- S(D)
- Vars
- P(g);XP(C)::QAB1(I),XS(f)
- Refutation
- P(c);XR(B)
- Try
- R(F);
- Threat
- R(F)+P(C),XP(g)
- Vars
- P(g);OGATE,XP(C)::R1(F),XP(g)
- P(h);XB(H)::S(D),XP(h)
- Refutation
- P(g);
- Try
- R(F);
- Threat
- R(F)
- Vars
- P(h);::R(F),XP(h)
- Refutation
- P(h);
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- P(h);::QAR2(I),XP(h)
- Refutation
- P(h);
- Try
- Actual
- B(H);XP(e)
- Vars
- P(c);XR(B)::S(D),XP(c)
- P(g);XP(C)::QAB1(I),XS(f)
- P(h);N_GUARD::S(D)
- P(a);::B(A),XP(b)
- P(g);::QAB1(I),XS(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).