MESON Chess Problem Database
Problem Display
PID: 56609 (1N2R3/1P1p4/bK1pQ3/3B1p1q/1B1k4/r2ppp2/3N3b/5n2 w - - 0 1)
Trommler, Sven
4th HM., Vukcevic MT, 2004-2005
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Sxf3#
- 1...Qf7
- 2.Sxf3#
- 1...Qxe8
- 2.Sxf3#
- 1...Qh4
- 2.Sxf3#
- 1...Qg5
- 2.Sxf3#
- 1...Qh6
- 2.Sxf3#
- 1...Qh7
- 2.Sxf3#
- 1...Qh8
- 2.Sxf3#
- 1...Ra1
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...f4
- 2.Qe4#
- 1...Qg6
- Tries
- 1.Bb3?
- threat
- 2.Qd5#
- 1...Rxb3
- 2.Sxb3#
- 1...Bxb7
- 2.Qc4#
- 1...dxe6
- 2.Sc6#
- 1...Qf7
- 2.Sxf3#
- 1...Bc4
- 2.Qxc4#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qxd5#
- 1...Ra5!
- threat
- 1.Bxf3?
- threat
- 2.Qd5#
- 1...Qxf3
- 2.Sxf3#
- 1...Bxb7
- 2.Qc4#
- 1...dxe6
- 2.Sc6#
- 1...Ra5
- 2.Sb3#
- 1...Bc4
- 2.Qxc4#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qxd5#
- 1...Qf7!
- threat
- 1.Bc4?
- threat
- 2.Qd5#
- 1...Bxc4
- 2.Qxc4#
- 1...dxe6
- 2.Sc6#
- 1...Qf7
- 2.Sxf3#
- 1...Ra5
- 2.Sb3#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qxd5#
- 1...Bxb7!
- threat
- 1.Bc6?
- threat
- 2.Qd5#
- 1...dxc6
- 2.Sxc6#
- 1...Qf7
- 2.Sxf3#
- 1...Ra5
- 2.Sb3#
- 1...Bc4
- 2.Qxc4#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qxd5#
- 1...dxe6!
- threat
- 1.Bb3?
- Keys
- 1.Ba2!
- threat
- 2.Qd5#
- 1...Rxa2
- 2.Sb3#
- 1...Bxb7
- 2.Qc4#
- 1...dxe6
- 2.Sc6#
- 1...Qf7
- 2.Sxf3#
- 1...Rb3
- 2.Sxb3#
- 1...Ra5
- 2.Sb3#
- 1...Bc4
- 2.Qxc4#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Qxd5#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::S(A),XP(f)
- Q(i);N_GUARD,XR(H)::S(A),XP(f)
- R(c);N_GUARD::S(A)
- R(c);N_GUARD,P_PINB(B)::S(A),XR(c)
- P(h);N_GUARD::QAR1(E)
- Tries
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- R(c);P_PINB(B),XB(C)::S(A),XR(c)
- B(j);N_GUARD,XP(F)::QAR1(E)
- P(l);N_GUARD,XQ(E)::S(G)
- Q(i);N_GUARD::S(A),XP(f)
- B(j);N_GUARD::QAR1(E),XB(j)
- P(h);N_GUARD::QAR1(E)
- P(k);::QAR1(E),XP(k)
- Refutation
- R(c);
- Try
- B(C);XP(f)
- Threat
- QAR1(E)
- Vars
- Q(i);XB(C)::S(A),XQ(i)
- B(j);N_GUARD,XP(F)::QAR1(E)
- P(l);N_GUARD,XQ(E)::S(G)
- R(c);N_GUARD::S(A)
- B(j);N_GUARD::QAR1(E),XB(j)
- P(h);N_GUARD::QAR1(E)
- P(k);::QAR1(E),XP(k)
- Refutation
- Q(i);
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(j);OGATE,XB(C)::QAR1(E),XB(j)
- P(l);N_GUARD,XQ(E)::S(G)
- Q(i);N_GUARD::S(A),XP(f)
- R(c);N_GUARD::S(A)
- P(h);N_GUARD::QAR1(E)
- P(k);::QAR1(E),XP(k)
- Refutation
- B(j);XP(F)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- P(l);XB(C)::S(G),XP(l)
- Q(i);N_GUARD::S(A),XP(f)
- R(c);N_GUARD::S(A)
- B(j);N_GUARD::QAR1(E),XB(j)
- P(h);N_GUARD::QAR1(E)
- P(k);::QAR1(E),XP(k)
- Refutation
- P(l);XQ(E)
- Try
- Actual
- B(C);
- Threat
- QAR1(E)
- Vars
- R(c);N_GUARD,XB(C)::S(A)
- B(j);N_GUARD,XP(F)::QAR1(E)
- P(l);N_GUARD,XQ(E)::S(G)
- Q(i);N_GUARD::S(A),XP(f)
- R(c);N_GUARD,P_PINB(B)::S(A),XR(c)
- R(c);N_GUARD::S(A)
- B(j);N_GUARD::QAR1(E),XB(j)
- P(h);N_GUARD::QAR1(E)
- P(k);::QAR1(E),XP(k)
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).