MESON Chess Problem Database
Problem Display
PID: 194446 (bqN1B3/1n2P3/5rN1/p1Pk1nr1/4R3/QP3P2/8/1K4b1 w - - 0 1)
Helweg, Steffen ('Cyrano')
Chess Tattoo in 2, 1976
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Sxf4#
- 1...Qa7
- 2.Sf4#
- 1...Qxc8
- 2.Sf4#
- 1...Rb6
- 2.Sxb6#
- 1...Rd6
- 2.Sf4#
- 1...Rf7
- 2.Sb6#
- 1...Rf8
- 2.Sb6#
- 1...Sfd6
- 2.Sb6#
- 1...Sxe7
- 2.Sgxe7#
- 2.Scxe7#
- 1...Sbd6
- 2.Sf4#
- 1...Qf4
- Tries
- 1.Qc1?
- threat
- 2.Qc4#
- 1...Sfd6
- 2.Sb6#
- 1...Sbd6
- 2.Sf4#
- 1...Se3!
- threat
- 1.Qb4?
- threat
- 2.Qc4#
- 1...Se3
- 2.Qd4#
- 1...Sfd6
- 2.Sb6#
- 1...Sbd6
- 2.Sf4#
- 2.Re5#
- 1...axb4!
- threat
- 1.Qc1?
- Keys
- 1.Qa4!
- threat
- 2.Qc4#
- 1...Kxc5
- 2.Qb5#
- 2.Qc4#
- 1...Se3
- 2.Qd4#
- 1...Sfd6
- 2.Qc6#
- 1...Sbd6
- 2.Re5#
- threat
- 1.Qa4!
This is after
After E Vissermann.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(i);N_GUARD::S(G),XQ(i)
- Q(i);N_GUARD::S(G)
- Q(i);N_GUARD,XS(I)::S(G)
- R(f);N_GUARD,P_PINP(C)::S(I),XR(f)
- R(f);S_CUTQ(i)::S(G)
- R(f);N_GUARD::S(I)
- S(d);S_CUTR(f)::S(I)
- S(g);P_PINP(C),S_CUTQ(i)::S(G)
- Tries
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(d);S_CUTR(f)::S(I)
- S(g);P_PINP(C),S_CUTQ(i)::S(G)
- Refutation
- S(d);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(d);N_GUARD,S_CUTB(a)::QAR1(B)
- S(d);S_CUTR(f)::S(I)
- Refutation
- P(b);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(d);N_GUARD,S_CUTB(a)::QAR1(B)
- S(d);S_CUTR(f)::QAB1(B)
- S(g);P_PINP(C),S_CUTQ(i)::R1(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).