MESON Chess Problem Database
Problem Display
PID: 133523 (1B3RK1/3P1N2/b1rn4/2pQnpp1/R1q2k2/3B3P/5P2/4r1N1 w - - 0 1)
Reynaerts, Vincent
Probleemblad, 2008
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Qxe5#
- 1...Ra1
- 2.Se2#
- 2.Qxe5#
- 1...Rb1
- 2.Se2#
- 2.Qxe5#
- 1...Rc1
- 2.Se2#
- 2.Qxe5#
- 1...Rd1
- 2.Se2#
- 2.Qxe5#
- 1...Rf1
- 2.Se2#
- 2.Qxe5#
- 1...Re2
- 2.Sxe2#
- 1...Sxd3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 2.Qxf5#
- 1...Sg4
- 2.Qf3#
- 2.Qxf5#
- 1...Sg6
- 2.Qf3#
- 2.Qxf5#
- 1...Sxd7
- 2.Qf3#
- 2.Qxf5#
- 1...Sexf7
- 2.Qxf5#
- 1...Se4
- 2.Bxe5#
- 2.Qxe5#
- 1...Sb5
- 2.Qf3#
- 1...Sb7
- 2.Qf3#
- 1...Sdxf7
- 2.Qf3#
- 1...Sc8
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Qe4
- Tries
- 1.Sxd6?
- threat
- 2.Rxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Rc8!
- threat
- 1.Be2?
- threat
- 2.Qxe5#
- 1...Rxe2
- 2.Sxe2#
- 1...Sxd7
- 2.Qf3#
- 1...Sdxf7
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Sexf7!
- threat
- 1.Rxc4+?
- 1...Re4
- 2.Qxe5#
- 1...Sexc4
- 2.Qf3#
- 2.Qxf5#
- 1...Sdxc4
- 2.Qf3#
- 1...Se4
- 2.Bxe5#
- 2.Qxe5#
- 1...Bxc4!
- 1...Re4
- 1.Qg2?
- threat
- 2.Qh2#
- 2.Qg3#
- 2.Qxg5#
- 1...Sxd3
- 2.Qf3#
- 1...Sexf7
- 2.Qh2#
- 2.Qg3#
- 1...Sdxf7
- 2.Qf3#
- 2.Qh2#
- 2.Qg3#
- 1...Re3
- 2.Qxg5#
- 1...Sf3
- 2.Qxf3#
- 2.Qg3#
- 1...Sg4
- 2.Qf3#
- 2.Qg3#
- 1...Se4
- 2.Bxe5#
- 2.Qf3#
- 1...g4
- 2.Qg3#
- 1...Rxg1!
- threat
- 1.d8Q?
- threat
- 2.Qxg5#
- 1...Sexf7
- 2.Qxf5#
- 1...Sdxf7
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 2.Qxf5#
- 1...Se4
- 2.Bxe5#
- 2.Qxe5#
- 1...g4
- 2.Qg5#
- 1...Rxg1!
- threat
- 1.d8S?
- threat
- 2.Se6#
- 1...Sxd3
- 2.Qf3#
- 1...Sexf7
- 2.Qxf5#
- 1...Sdxf7
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 2.Qxf5#
- 1...Sg4
- 2.Qf3#
- 2.Qxf5#
- 1...Sg6
- 2.Qf3#
- 2.Qxf5#
- 1...Sd7
- 2.Qf3#
- 2.Qxf5#
- 1...Se4
- 2.Bxe5#
- 2.Qxe5#
- 1...Sb5
- 2.Qf3#
- 1...Sb7
- 2.Qf3#
- 1...Sc8
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...Bc8!
- threat
- 1.d8B?
- threat
- 2.Bxg5#
- 1...Sexf7
- 2.Qxf5#
- 1...Sdxf7
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 2.Qxf5#
- 1...Se4
- 2.Bxe5#
- 2.Qxe5#
- 1...g4
- 2.Bg5#
- 1...Rxg1!
- threat
- 1.Sxd6?
- Keys
- 1.Sd8!
- threat
- 2.Se6#
- 1...Sxd3
- 2.Rxf5#
- 1...Sxd7
- 2.Rxf5#
- 1...Sf3
- 2.Rxf5#
- 1...Sg4
- 2.Rxf5#
- 1...Sg6
- 2.Rxf5#
- 1...Sef7
- 2.Qxf5#
- 1...Se4
- 2.Bxe5#
- 1...Sb5
- 2.Rxf5#
- 1...Sb7
- 2.Rxf5#
- 1...Sdf7
- 2.Qf3#
- 1...Sc8
- 2.Rxf5#
- 1...Se8
- 2.Rxf5#
- threat
- 1.Sd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- Q(b);S_CUTR(a)::QAB1(F),XS(e)
- R(a);N_GUARD::S(A),XR(a)
- S(e);N_GUARD,P_SPINS(j),XB(C)::QAR1(F)
- S(e);OGATE,P_SPINS(j),XS(H)::QAR1(F),XP(f)
- S(j);P_SPINS(e)::QAR1(F)
- S(j);P_SPINS(e),XS(H)::QAR1(F)
- Tries
- Try
- S(H);P_PINP(f),P_SPINQ(F),XS(j)
- Threat
- R1(J),XP(f)
- Vars
- S(e);N_PINQ(F),N_SPINP(f)::QAR1(F),XP(f)
- Refutation
- R(i);P_PINR(J)
- Try
- B(C);
- Threat
- QAB1(F),XS(e)
- Vars
- R(a);XB(C)::S(A),XR(a)
- S(e);N_GUARD,P_SPINS(j),XP(G)::QAR1(F)
- S(j);P_SPINS(e),XS(H)::QAR1(F)
- S(e);N_GUARD,P_SPINS(j)::QAR1(F)
- S(e);N_GUARD,P_SPINS(j)::QAR1(F),XS(e)
- Refutation
- S(e);P_SPINS(j),XS(H)
- Try
- R(E);CHECK,XQ(b)
- Vars
- R(a);P_SPINR(a)::QAB1(F),XS(e)
- S(j);P_SPINS(e),XR(E)::QAR1(F)
- Refutation
- B(h);XR(E)
- Try
- Q(F);P_SPINS(H)
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD,P_SPINS(j),XB(C)::QAR1(F)
- R(a);::QAB1(F),XP(g)
- P(g);::QAB1(F)
- Refutation
- R(a);XS(A)
- Try
- P(G);
- Threat
- QAB1(G),XP(g)
- Vars
- S(e);OGATE,P_SPINS(j),XS(H)::QAR1(F),XP(f)
- S(j);P_SPINS(e),XS(H)::QAR1(F)
- P(g);::QAB1(G)
- Refutation
- R(a);XS(A)
- Try
- P(G);
- Threat
- S(G)
- Vars
- S(e);N_GUARD,P_SPINS(j),XB(C)::QAR1(F)
- S(e);OGATE,P_SPINS(j),XS(H)::QAR1(F),XP(f)
- S(j);P_SPINS(e),XS(H)::QAR1(F)
- S(j);P_SPINS(e)::QAR1(F)
- Refutation
- B(h);
- Try
- P(G);
- Threat
- B(G),XP(g)
- Vars
- S(e);OGATE,P_SPINS(j),XS(H)::QAR1(F),XP(f)
- S(j);P_SPINS(e),XS(H)::QAR1(F)
- P(g);::B(G)
- Refutation
- R(a);XS(A)
- Try
- Actual
- S(H);P_PINP(f),P_SPINQ(F)
- Threat
- S(H)
- Vars
- S(e);P_SPINS(j),XB(C)::R1(J),XP(f)
- S(e);P_SPINS(j),XP(G)::R1(J),XP(f)
- S(e);P_SPINS(j)::R1(J),XP(f)
- S(e);N_PINQ(F),N_SPINP(f),P_SPINS(j)::QAR1(F),XP(f)
- S(j);N_SPINQ(b),OGATE,P_SPINS(e)::B(I),XS(e)
- S(j);N_GUARD,P_SPINS(e)::R1(J),XP(f)
- S(j);N_PINQ(F),N_SPINP(f),P_SPINS(e)::QAR1(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).