MESON Chess Problem Database
Problem Display
PID: 70921 (nB6/1pR1p1bR/1k2p3/1P6/PP1p1Qn1/2p5/4rp2/5B1K w - - 0 1)
Maleika, Gerhard
Probleemblad, 2006
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.a5#
- 1...Rb2
- 2.a5#
- 1...Rc2
- 2.a5#
- 1...Rd2
- 2.a5#
- 1...Re3
- 2.a5#
- 1...Re4
- 2.a5#
- 1...Re5
- 2.a5#
- 1...Bh6
- 2.Qxd4#
- 1...Bf8
- 2.Qxd4#
- 1...Se5
- 2.Qxd4#
- 1...Sf6
- 2.Qxd4#
- 1...Sxc7
- 2.Qxc7#
- 1...Re1
- Tries
- 1.Rxg7?
- threat
- 2.Qxd4#
- 1...Rd2
- 2.a5#
- 1...Re4
- 2.a5#
- 1...Re5
- 2.a5#
- 1...d3
- 2.Qd4#
- 1...e5!
- threat
- 1.Qf3?
- threat
- 2.Rxb7#
- 2.Qxb7#
- 1...Re4
- 2.a5#
- 1...Sxc7!
- threat
- 1.Qe4?
- threat
- 2.Rxb7#
- 2.Qxb7#
- 1...Rxe4
- 2.a5#
- 1...Sxc7!
- threat
- 1.Rxg7?
- Keys
- 1.Rxe7!
- threat
- 2.Qd6#
- 1...Re5
- 2.a5#
- 1...Be5
- 2.Rxb7#
- 1...Se5
- 2.Qxd4#
- 1...e5
- 2.Re6#
- threat
- 1.Rxe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(a);P_PINB(A)::P(C)
- R(a);::P(C)
- B(j);N_GUARD::QAB(E),XP(d)
- S(e);S_CUTB(j)::QAB(E),XP(d)
- S(k);OGATE,XR(G)::QAB1(E),XS(k)
- Tries
- Try
- R(H);XB(j)
- Threat
- QAB(E),XP(d)
- Vars
- R(a);::P(C)
- P(d);::QAB(E)
- Refutation
- P(g);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(a);::P(C)
- Refutation
- S(k);XR(G)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(E)::P(C)
- Refutation
- S(k);XR(G)
- Try
- Actual
- R(G);XP(i)
- Threat
- QAR2(E)
- Vars
- R(a);::P(C)
- B(j);::R1(G),XP(h)
- S(e);S_CUTB(j)::QAB(E),XP(d)
- P(g);S_CUTR(a)::R(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).