MESON Chess Problem Database
Problem Display
PID: 139224 (1b4b1/p2BQ3/Rr1N2N1/1p1k3q/1Bpr1pP1/5P2/8/2Kn4 w - - 0 1)
Paslack, Rainer
Source?, 2005
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Qxg4
- 2.Qe5#
- 1...Qh1
- 2.Qg5#
- 2.Qe5#
- 1...Qh2
- 2.Qg5#
- 2.Qe5#
- 1...Qh3
- 2.Qg5#
- 2.Qe5#
- 1...Qh4
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qg5
- 2.Qxg5#
- 1...Qh6
- 2.Qe5#
- 1...Qh7
- 2.Qg5#
- 2.Qe5#
- 1...Rd2
- 2.Qe4#
- 1...Rd3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rc6
- 2.Bxc6#
- 1...Rb7
- 2.Bc6#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qe6#
- 2.Qf7#
- 1...Qxg4
- Tries
- 1.Sf5?
- threat
- 2.Qc5#
- 1...Rc6
- 2.Bxc6#
- 1...Rd6
- 2.Qe5#
- 1...Bd6!
- threat
- 1.Sf7?
- threat
- 2.Qc5#
- 1...Bd6
- 2.Qe6#
- 1...Rc6
- 2.Bxc6#
- 1...Rd6!
- threat
- 1.Se8?
- threat
- 2.Qc5#
- 1...Rc6
- 2.Bxc6#
- 1...Bd6
- 2.Sf6#
- 1...Rd6!
- threat
- 1.Bc6+?
- 1...Kxc6
- 2.Qb7#
- 1...Rxc6!
- 1...Kxc6
- 1.Be6+?
- 1...Kc6
- 2.Qb7#
- 2.Qd7#
- 1...Bxe6!
- 1...Kc6
- 1.Rxb6?
- threat
- 2.Bc6#
- 2.Rxb5#
- 1...Bxd6
- 2.Bc6#
- 2.Rxd6#
- 2.Qxd6#
- 1...Rd2
- 2.Qe4#
- 1...Rd3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Sc3
- 2.Bc6#
- 1...a6
- 2.Bc6#
- 1...axb6!
- threat
- 1.Qg7?
- threat
- 2.Se7#
- 2.Qxg8#
- 1...Qxg4
- 2.Se7#
- 2.Qe5#
- 1...Rxd6
- 2.Se7#
- 1...Bxd6
- 2.Qxg8#
- 1...Qh4
- 2.Qe5#
- 2.Qxg8#
- 1...Qe5
- 2.Qxe5#
- 1...Qf5
- 2.Se7#
- 1...Qg5
- 2.Qxg8#
- 1...Qh7
- 2.Se7#
- 2.Qe5#
- 1...Qh8
- 2.Se7#
- 1...Rd2
- 2.Sxf4#
- 2.Se7#
- 1...Rd3
- 2.Sxf4#
- 2.Se7#
- 1...Re4
- 2.fxe4#
- 1...Be6
- 2.Se7#
- 1...Bf7
- 2.Se7#
- 2.Qxf7#
- 1...Bh7
- 2.Se7#
- 2.Qf7#
- 1...Qxg6!
- threat
- 1.gxh5?
- threat
- 2.Qg5#
- 2.Qe5#
- 1...Rd2
- 2.Qe4#
- 2.Qe5#
- 1...Rd3
- 2.Qe4#
- 2.Qe5#
- 1...Re4
- 2.Qxe4#
- 1...Be6
- 2.Qxe6#
- 1...Se3
- 2.Qe5#
- 1...Bxd6!
- threat
- 1.Sf5?
- Keys
- 1.Se4!
- threat
- 2.Qc5#
- 1...Rc6
- 2.Bxc6#
- 1...Rd6
- 2.Sxf4#
- 1...Bd6
- 2.Sf6#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD,XP(D)::QAR1(I)
- Q(g);N_GUARD::QAR1(I)
- Q(g);N_GUARD::QAR1(I),XQ(g)
- Q(g);N_GUARD::QAR(I),XQ(g)
- R(c);N_GUARD::QAB1(I)
- R(c);N_GUARD::QAB1(I),XR(c)
- R(h);N_GUARD::B(H),XR(h)
- R(h);N_GUARD::B(H)
- B(k);N_GUARD::QAB1(I),XB(k)
- B(k);N_GUARD::QAB(I),XB(k)
- Tries
- Try
- S(F);
- Threat
- QAR1(I)
- Vars
- R(h);N_GUARD::B(H),XR(h)
- R(h);S_CUTB(j)::QAR1(I)
- Refutation
- B(j);
- Try
- S(F);
- Threat
- QAR1(I)
- Vars
- B(j);S_CUTR(h)::QAB1(I)
- R(h);N_GUARD::B(H),XR(h)
- Refutation
- R(h);
- Try
- S(F);
- Threat
- QAR1(I)
- Vars
- R(h);N_GUARD::B(H),XR(h)
- B(j);S_CUTR(h)::S(F)
- Refutation
- R(h);
- Try
- B(H);CHECK
- Vars
- K(f);P_SPINR(h),S_FLIGHT,XB(H)::QAB1(I)
- Refutation
- R(h);XB(H)
- Try
- B(H);CHECK
- Refutation
- B(k);XB(H)
- Try
- R(E);XR(h)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAB1(I)
- R(c);N_GUARD::QAB1(I),XR(c)
- S(a);::B(H)
- P(i);::B(H)
- Refutation
- P(i);XR(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(h);XS(F)::S(G)
- B(j);XS(F)::QAB(I),XB(k)
- Q(g);N_GUARD::QAR1(I),XQ(g)
- Q(g);::S(G)
- Q(g);::QAB(I),XB(k)
- R(c);OGATE::P(B),XR(c)
- B(k);::S(G)
- Refutation
- Q(g);XS(G)
- Try
- P(D);XQ(g)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAB1(I),XR(c)
- B(k);N_GUARD::QAB1(I),XB(k)
- S(a);::QAR1(I)
- Refutation
- B(j);XS(F)
- Try
- Actual
- S(F);
- Threat
- QAR1(I)
- Vars
- R(h);N_GUARD::B(H),XR(h)
- R(h);S_CUTB(j)::S(G),XP(d)
- B(j);S_CUTR(h)::S(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).