MESON Chess Problem Database
Problem Display
PID: 79438 (2N5/qp2Q1n1/P1k3r1/2p5/2BbP3/n5r1/K4RpB/3R4 w - - 0 1)
Barth, Michael
3rd Place, Match: Saxony - Switzerland, 1991-1992
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qc7#
- 1...Rc3
- 2.Qc7#
- 1...Rd3
- 2.Qc7#
- 1...Re3
- 2.Qc7#
- 1...Rf3
- 2.Qc7#
- 1...Rh3
- 2.Qc7#
- 1...R3g4
- 2.Qc7#
- 1...R3g5
- 2.Qc7#
- 1...R6g4
- 2.Qd6#
- 1...R6g5
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Ba1
- 2.Qd7#
- 1...Bb2
- 2.Qd7#
- 1...Bxf2
- 2.Qd7#
- 1...Bc3
- 2.Qd7#
- 1...Be3
- 2.Qd7#
- 1...Be5
- 2.Qd7#
- 1...Bf6
- 2.Rd6#
- 2.Qd6#
- 2.Qd7#
- 1...Sb5
- 2.Bd5#
- 1...Se6
- 2.Qd6#
- 1...b5
- 2.Bd5#
- 1...b6
- 2.Sxa7#
- 1...Rb3
- Tries
- 1.Rf6+?
- 1...Bxf6
- 2.Rd6#
- 2.Qd6#
- 2.Qd7#
- 1...Se6
- 2.Qd6#
- 1...Rxf6!
- 1...Bxf6
- 1.Rf7?
- threat
- 2.Qc7#
- 2.Qd7#
- 1...Sxc4
- 2.Qd7#
- 1...Qb6
- 2.Qd7#
- 1...Qb8
- 2.Qd7#
- 1...Rd6
- 2.Qxd6#
- 2.Qc7#
- 1...Be5
- 2.Qd7#
- 1...Sb5
- 2.Bd5#
- 2.Qd7#
- 1...Se6
- 2.Qd6#
- 2.Qd7#
- 2.Qe8#
- 1...Se8
- 2.Qd7#
- 2.Qxe8#
- 1...b5
- 2.Bd5#
- 1...b6
- 2.Sxa7#
- 1...bxa6!
- threat
- 1.Qd8?
- threat
- 2.Sxa7#
- 2.Se7#
- 1...Qxa6
- 2.Se7#
- 1...Sxc4
- 2.Sxa7#
- 1...Qb6
- 2.Se7#
- 1...Qb8
- 2.Se7#
- 1...Qa8
- 2.Se7#
- 1...Re6
- 2.Sxa7#
- 1...Bf6
- 2.Sxa7#
- 2.Rd6#
- 2.Qd6#
- 2.Qd7#
- 1...Sb5
- 2.Se7#
- 2.Bd5#
- 1...Sf5
- 2.Sxa7#
- 1...b5
- 2.Sxa7#
- 2.Bd5#
- 1...b6
- 2.Sxa7#
- 1...bxa6!
- threat
- 1.Rf6+?
- Keys
- 1.Rb2!
- threat
- 2.Sxa7#
- 2.Bd5#
- 1...Qxa6
- 2.Bd5#
- 1...Bxb2
- 2.Qd7#
- 1...Sxc4
- 2.Sxa7#
- 1...Qb6
- 2.Bd5#
- 2.Rxb6#
- 1...Qb8
- 2.Bd5#
- 2.Rb6#
- 1...Qa8
- 2.Bd5#
- 2.Rb6#
- 1...Rb3
- 2.Qc7#
- 1...R3g5
- 2.Sxa7#
- 2.Qc7#
- 1...R6g5
- 2.Sxa7#
- 2.Qd6#
- 1...Rd6
- 2.Sxa7#
- 2.Qxd6#
- 1...Sb5
- 2.Bxb5#
- 2.Bd5#
- 1...b5
- 2.Bd5#
- threat
- 1.Rb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 18
- Sets
- R(c);::QAR1(H)
- R(g);N_GUARD::QAR1(H)
- R(g);N_GUARD::QAR1(H),XR(g)
- B(d);::QAB1(H)
- B(d);XR(C)::QAB1(H)
- S(b);P_PINP(G),SBLOCK::B(E)
- S(j);S_CUTR(g)::QAR1(H)
- P(i);SBLOCK::B(E)
- P(i);SBLOCK::S(I),XQ(h)
- Tries
- Try
- R(C);CHECK
- Vars
- S(j);P_SPINS(j)::QAR1(H)
- Refutation
- R(g);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(b);P_PINP(G),XB(E)::QAB1(H)
- Q(h);::QAB1(H)
- B(d);::QAB1(H)
- P(i);SBLOCK::B(E)
- P(i);SBLOCK::S(I),XQ(h)
- Refutation
- P(i);XP(G)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(h);XP(G)::S(I)
- S(b);P_PINP(G),XB(E)::S(I),XQ(h)
- Q(h);::S(I)
- R(g);::S(I),XQ(h)
- S(j);::S(I),XQ(h)
- P(i);::S(I),XQ(h)
- Refutation
- P(i);XP(G)
- Try
- Actual
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(h);XP(G)::B(E)
- B(d);XR(C)::QAB1(H)
- S(b);P_PINP(G),XB(E)::S(I),XQ(h)
- R(c);::QAR1(H)
- P(i);::B(E)
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).