MESON Chess Problem Database
Problem Display
PID: 243750 (b2B4/4RN2/p1k1B3/p6R/n3rp2/N1p5/1pP2nQ1/1K6 w - - 0 1)
Berg, Wolfgang
Schach, 1988
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb7
- 2.Bd7#
- 1...Sd1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sh3
- 2.Qxe4#
- 1...Sg4
- 2.Qxe4#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...Bb7
- Tries
- 1.Sb5?
- threat
- 2.Sd4#
- 2.Sa7#
- 1...f3
- 2.Sa7#
- 1...axb5!
- threat
- 1.Bb3?
- threat
- 2.Bxa4#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...f3!
- threat
- 1.Rxa5?
- threat
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...Sc5!
- threat
- 1.Rb5?
- threat
- 2.Bd5#
- 2.Bd7#
- 2.Rc7#
- 1...Sc5
- 2.Rb6#
- 2.Rc7#
- 1...Sb6
- 2.Rc7#
- 1...axb5!
- threat
- 1.Re5?
- 1...Bb7
- 2.Bd7#
- 1...Sd1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sh3
- 2.Qxe4#
- 1...Sg4
- 2.Qxe4#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...f3!
- 1...Bb7
- 1.Rf5?
- 1...Bb7
- 2.Bd7#
- 1...Sd1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sh3
- 2.Qxe4#
- 1...Sg4
- 2.Qxe4#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...f3!
- 1...Bb7
- 1.Rg5?
- 1...Bb7
- 2.Bd7#
- 1...Sd1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sh3
- 2.Qxe4#
- 1...Sg4
- 2.Qxe4#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...f3!
- 1...Bb7
- 1.Ra7?
- threat
- 2.Bd7#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...Bb7!
- threat
- 1.Rd7?
- 1...Bb7
- 2.Rd6#
- 1...Sd1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sh3
- 2.Qxe4#
- 1...Sg4
- 2.Qxe4#
- 1...Sc5
- 2.Se5#
- 1...Sb6
- 2.Rc7#
- 1...f3!
- 1...Bb7
- 1.Sb5?
- Keys
- 1.Qf3!
- 1...Bb7
- 2.Bd7#
- 1...Sd1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sh3
- 2.Qxe4#
- 1...Sg4
- 2.Qxe4#
- 1...Sc5
- 2.Bd5#
- 1...Sb6
- 2.Rc7#
- 1...Bb7
- 1.Qf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(j);SBLOCK::B(F)
- S(b);N_GUARD::QAB(C),XR(e)
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINR(e)::S(D)
- Refutation
- P(h);XS(D)
- Try
- B(F);
- Threat
- B(F),XS(d)
- Vars
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
- Refutation
- P(f);N_SPINR(e)
- Try
- R(E);XP(g)
- Threat
- B(F)
- Vars
- S(d);SBLOCK::R1(G)
- Refutation
- S(d);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- S(d);::R1(G)
- Refutation
- P(h);XR(E)
- Try
- R(E);
- Vars
- B(j);SBLOCK::B(F)
- S(b);N_GUARD::QAB(C),XR(e)
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
- Refutation
- P(f);N_SPINR(e)
- Try
- R(E);
- Vars
- B(j);SBLOCK::B(F)
- S(b);N_GUARD::QAB(C),XR(e)
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
- Refutation
- P(f);N_SPINR(e)
- Try
- R(E);
- Vars
- B(j);SBLOCK::B(F)
- S(b);N_GUARD::QAB(C),XR(e)
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
- Refutation
- P(f);N_SPINR(e)
- Try
- R(G);
- Threat
- B(F)
- Vars
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
- Refutation
- B(j);
- Try
- R(G);
- Vars
- B(j);SBLOCK::R1(G)
- S(b);N_GUARD::QAB(C),XR(e)
- S(d);SBLOCK::S(H)
- S(d);SBLOCK::R1(G)
- Refutation
- P(f);N_SPINR(e)
- Try
- Actual
- Q(C);
- Vars
- B(j);SBLOCK::B(F)
- S(b);N_GUARD::QAB(C),XR(e)
- S(d);SBLOCK::B(F)
- S(d);SBLOCK::R1(G)
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).