MESON Chess Problem Database
Problem Display
PID: 238887 (4rb2/n2B4/1R2nPN1/2PkB3/5p2/8/b1QNP3/7K w - - 0 1)
Paslack, Rainer
idee & form, 2007
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Bxe6#
- 1...Rb8
- 2.Bxe6#
- 1...Rc8
- 2.Bxe6#
- 1...Rd8
- 2.Bxe6#
- 1...Bb1
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bxc5
- 2.Qe4#
- 2.Qxa2#
- 1...Bd6
- 2.Rxd6#
- 1...Bh6
- 2.Rd6#
- 1...Be7
- 2.Bxe6#
- 1...Bg7
- 2.Rd6#
- 1...Sb5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sc8
- 2.Bc6#
- 1...f3
- 2.e4#
- 1...Re7
- Tries
- 1.Ba1?
- threat
- 2.Qf5#
- 1...Sxc5
- 2.Sxf4#
- 1...Bb1
- 2.Qc4#
- 1...Bd6
- 2.Rxd6#
- 1...Sg5
- 2.Sxf4#
- 1...Sc7
- 2.Sxf4#
- 1...Sg7
- 2.Sxf4#
- 1...Sd8
- 2.Sxf4#
- 1...Sc6
- 2.Bxc6#
- 1...Sd4!
- threat
- 1.Bb2?
- threat
- 2.Qf5#
- 1...Sxc5
- 2.Sxf4#
- 1...Bb1
- 2.Qc4#
- 1...Bd6
- 2.Rxd6#
- 1...Sg5
- 2.Sxf4#
- 1...Sc7
- 2.Sxf4#
- 1...Sg7
- 2.Sxf4#
- 1...Sd8
- 2.Sxf4#
- 1...Sc6
- 2.Bxc6#
- 1...Sd4!
- threat
- 1.Rb5?
- threat
- 2.Qe4#
- 2.Qxa2#
- 1...Sd4
- 2.Qe4#
- 1...Bb1
- 2.Qb3#
- 2.Qc4#
- 1...Bb3
- 2.Qxb3#
- 2.Qe4#
- 1...Bc4
- 2.Qe4#
- 2.Qxc4#
- 1...Sg5
- 2.Qd3#
- 2.Qxa2#
- 1...Sxb5!
- threat
- 1.Rxe6?
- threat
- 2.Sxf4#
- 1...Bc4
- 2.Qxc4#
- 1...Bh6
- 2.Rd6#
- 1...f3
- 2.Sf4#
- 2.e4#
- 1...Rxe6!
- threat
- 1.Qb3+?
- 1...Kxc5
- 2.Se4#
- 1...Bxb3!
- 1...Kxc5
- 1.Qd3+?
- 1...Sd4
- 2.Qxd4#
- 1...Kxc5!
- 1...Sd4
- 1.Qc3?
- 1...Bxc5
- 2.Qf3#
- 1...Sxc5
- 2.Sxf4#
- 2.Qd4#
- 1...Bc4
- 2.Qxc4#
- 1...Sd4
- 2.Qxd4#
- 1...Re7
- 2.Rd6#
- 1...Ra8
- 2.Bxe6#
- 1...Rb8
- 2.Bxe6#
- 1...Rc8
- 2.Bxe6#
- 1...Rd8
- 2.Bxe6#
- 1...Bb1
- 2.Qc4#
- 1...Bd6
- 2.Rxd6#
- 1...Bh6
- 2.Rd6#
- 1...Be7
- 2.Bxe6#
- 1...Bg7
- 2.Rd6#
- 1...Sg5
- 2.Sxf4#
- 2.Qd4#
- 1...Sc7
- 2.Sxf4#
- 2.Qd4#
- 1...Sg7
- 2.Sxf4#
- 2.Qd4#
- 1...Sd8
- 2.Sxf4#
- 2.Qd4#
- 1...Sb5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sc8
- 2.Bc6#
- 1...f3
- 2.e4#
- 1...Bb3!
- 1...Bxc5
- 1.Ba1?
- Keys
- 1.Bd6!
- threat
- 2.Qe4#
- 1...Kd4
- 2.Qd3#
- 1...Bxd6
- 2.Rxd6#
- 1...Sxc5
- 2.Qxc5#
- 1...Sd4
- 2.Sxf4#
- 1...Bb1
- 2.Qc4#
- 1...Sg5
- 2.Qd3#
- 1...Sc7
- 2.Qd3#
- 1...Sg7
- 2.Qd3#
- 1...Sd8
- 2.Qd3#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 13
- Sets
- R(f);S_CUTB(g)::R1(G)
- R(f);N_GUARD::B(J),XS(d)
- B(a);N_GUARD::QAB1(B)
- B(a);N_GUARD::QAB1(B),XB(a)
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(G)
- B(g);S_CUTR(f)::B(J),XS(d)
- S(e);N_GUARD::B(J)
- S(e);N_GUARD::B(J),XS(e)
- P(b);N_GUARD::P(D)
- Tries
- Try
- B(F);
- Threat
- QAR2(B)
- Vars
- S(d);N_GUARD,XP(E)::S(I),XP(b)
- B(a);N_GUARD::QAB1(B)
- B(g);N_GUARD::R1(G),XB(g)
- S(d);N_GUARD::S(I),XP(b)
- S(e);N_GUARD::B(J),XS(e)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- QAR2(B)
- Vars
- S(d);N_GUARD,XP(E)::S(I),XP(b)
- B(a);N_GUARD::QAB1(B)
- B(g);N_GUARD::R1(G),XB(g)
- S(d);N_GUARD::S(I),XP(b)
- S(e);N_GUARD::B(J),XS(e)
- Refutation
- S(d);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);::QAB1(B)
- Refutation
- S(e);XR(G)
- Try
- R(G);XS(d)
- Threat
- S(I),XP(b)
- Vars
- B(a);N_GUARD::QAB1(B),XB(a)
- B(g);N_GUARD::R1(G)
- Refutation
- R(f);XR(G)
- Try
- Q(B);CHECK
- Vars
- K(c);P-FLIGHT,XP(E)::S(C)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR1(B),XS(d)
- Refutation
- K(c);P-FLIGHT,XP(E)
- Try
- Q(B);
- Vars
- B(g);SBLOCK,XP(E)::QAB(B)
- B(a);N_GUARD::QAB1(B),XB(a)
- S(d);N_GUARD::QAR1(B),XS(d)
- R(f);S_CUTB(g)::R1(G)
- R(f);N_GUARD::B(J),XS(d)
- B(a);N_GUARD::QAB1(B)
- B(g);N_GUARD::R1(G),XB(g)
- B(g);N_GUARD::R1(G)
- B(g);S_CUTR(f)::B(J),XS(d)
- S(e);N_GUARD::B(J)
- S(e);N_GUARD::B(J),XS(e)
- P(b);N_GUARD::P(D)
- Refutation
- B(a);
- Try
- Actual
- B(F);
- Threat
- QAB1(B)
- Vars
- K(c);P-FLIGHT::QAR1(B)
- B(g);OGATE,XB(F)::R1(G),XB(g)
- S(d);OGATE,XP(E)::QAR1(B),XS(d)
- S(d);N_GUARD,SBLOCK::S(I),XP(b)
- B(a);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAR2(B)
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).