MESON Chess Problem Database
Problem Display
PID: 61278 (8/bpP1Qp2/rp4RK/1PPp1p2/2Bk4/p4p2/1P1N1Pn1/1N1R1bn1 w - - 0 1)
Handloser, Ralf Chris
Probleemblad, 2005
#2
12 + 13
SOLUTION
- SOUND
- Sets
- 1...Bxc4
- 2.Sb3#
- 2.Sxf3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 2.fxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...dxc4
- 2.Sxf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Qd6#
- 1...Bxc4
- Tries
- 1.Sxa3?
- threat
- 2.Sxf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Sc2#
- 1...Bxc4
- 2.Sb3#
- 2.Sxf3#
- 2.Sdxc4#
- 1...dxc4
- 2.Sxf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Qd6#
- 1...Be2
- 2.Sb3#
- 2.Sxf3#
- 2.Sc2#
- 1...Bd3
- 2.Sb3#
- 1...Se1
- 2.Sb3#
- 2.Sxf3#
- 2.Qe3#
- 1...Se3
- 2.Sb3#
- 2.Sxf3#
- 2.Qxe3#
- 2.fxe3#
- 1...Sf4
- 2.Sb3#
- 2.Sxf3#
- 2.Sc2#
- 2.Qe3#
- 1...Rxa3!
- threat
- 1.Bxf1?
- threat
- 2.Sb3#
- 2.Sxf3#
- 2.Sc4#
- 2.Se4#
- 1...Se1
- 2.Sb3#
- 2.Sxf3#
- 2.Qe3#
- 1...Se3
- 2.Sb3#
- 2.Sxf3#
- 2.Qxe3#
- 2.fxe3#
- 1...Sf4
- 2.Sb3#
- 2.Sxf3#
- 2.Qe3#
- 1...Se2!
- threat
- 1.Bb3?
- threat
- 2.Sxf1#
- 2.Sxf3#
- 1...Kd3
- 2.Sxf1#
- 2.Sxf3#
- 2.Sc4#
- 1...Bxb5
- 2.Sxf3#
- 2.Sc4#
- 1...Be2
- 2.Sxf3#
- 1...Bc4
- 2.Sxf3#
- 2.Sxc4#
- 1...Se1
- 2.Sxf3#
- 2.Qe3#
- 1...Se3
- 2.Sxf3#
- 2.Qxe3#
- 1...Sf4
- 2.Sxf3#
- 2.Qe3#
- 1...Bd3!
- threat
- 1.Rc1?
- threat
- 2.Sb3#
- 1...dxc4
- 2.Qd6#
- 1...Bxc4!
- threat
- 1.Rc6?
- threat
- 2.Qf6#
- 1...Bxc4
- 2.Sb3#
- 2.Sxf3#
- 1...dxc4
- 2.Sxf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Qd6#
- 1...f6
- 2.Qxf6#
- 1...bxc6!
- threat
- 1.b3?
- threat
- 2.Sxf1#
- 2.Sxf3#
- 1...Bxc4
- 2.Sxf3#
- 2.Sxc4#
- 1...Be2
- 2.Sxf3#
- 1...Se1
- 2.Sxf3#
- 2.Qe3#
- 1...Se3
- 2.Sxf3#
- 2.Qxe3#
- 2.fxe3#
- 1...Sf4
- 2.Sxf3#
- 2.Qe3#
- 1...Bd3!
- threat
- 1.b4?
- threat
- 2.Qf6#
- 1...Bxc4
- 2.Sb3#
- 2.Sxf3#
- 1...dxc4
- 2.Sxf1#
- 2.Sb3#
- 2.Sxf3#
- 2.Rd6#
- 2.Qd6#
- 1...f6
- 2.Qxf6#
- 1...bxc5!
- threat
- 1.Sxa3?
- Keys
- 1.Rd6!
- threat
- 2.Rxd5#
- 1...Kxc5
- 2.Rxd5#
- 1...Bxc4
- 2.Sb3#
- 1...bxc5
- 2.Qf6#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- S(c);N_GUARD::QAB1(L)
- Tries
- Try
- S(A);XP(d)
- Threat
- DUALS(4)
- Vars
- B(a);::S(D)
- Refutation
- R(i);XS(A)
- Try
- B(F);XB(a)
- Threat
- DUALS(4)
- Refutation
- S(b);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(a);::R(B)+S(D),DCHECK,XP(e)
- Refutation
- B(a);
- Try
- R(B);
- Threat
- S(D)
- Vars
- P(g);OGATEB,XB(F)::QAR2(L)
- Refutation
- B(a);XB(F)
- Try
- R(I);
- Threat
- QAB(L)
- Vars
- P(m);::QAB(L),XP(m)
- Refutation
- P(l);XR(I)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- B(a);::R(B)+S(D),DCHECK,XP(e)
- Refutation
- B(a);
- Try
- P(C);
- Threat
- QAB(L)
- Vars
- P(m);::QAB(L),XP(m)
- Refutation
- P(j);P_PINR(I),XP(H)
- Try
- Actual
- R(I);P_PINP(g)
- Threat
- R1(I),XP(g)
- Vars
- K(f);N_SPINP(g),S_FLIGHT,XP(H)::QAB(L)+R(I),DCHECK,XP(g)
- B(a);SBLOCK,XB(F)::R(B)+S(D),DCHECK
- P(j);P_PINR(I),SBLOCK,XP(H)::QAB(L)
- S(c);N_GUARD::QAB1(L),XS(c)
- S(c);N_GUARD::QAB1(L)
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).