MESON Chess Problem Database
Problem Display
PID: 270460 (K1R5/7P/pPB5/2B2nR1/Ppk1N3/1p2P3/1pn2N2/1Q5r w - - 0 1)
Maleika, Gerhard
Probleemblad, 2022
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qxf1#
- 1...Rh2
- 2.Qf1#
- 1...Rh3
- 2.Qf1#
- 1...Rh4
- 2.Qf1#
- 1...Rh5
- 2.Qf1#
- 1...Rh6
- 2.Qf1#
- 1...Rxh7
- 2.Qf1#
- 1...Sa1
- 2.Qd3#
- 1...Sa3
- 2.Qd3#
- 1...Scxe3
- 2.Qd3#
- 1...Scd4
- 2.Qd3#
- 1...Sg3
- 2.Bd5#
- 1...Sfd4
- 2.Bd5#
- 1...Sh4
- 2.Bd5#
- 1...Sd6
- 2.Bd5#
- 1...Sh6
- 2.Bd5#
- 1...Sg7
- 2.Bd5#
- 1...Rf1
- Tries
- 1.Sd3?
- threat
- 2.Sxb2#
- 2.Se5#
- 1...Rxb1
- 2.Se5#
- 1...Kxd3!
- threat
- 1.Bd4?
- threat
- 2.Sd2#
- 2.Bb7#
- 1...Rxh7
- 2.Sd2#
- 2.Qf1#
- 1...Scxe3
- 2.Qd3#
- 1...Scxd4
- 2.Qd3#
- 1...Sfxd4
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Rd1
- 2.Bb7#
- 1...Rh6
- 2.Sd2#
- 2.Qf1#
- 1...Sd6
- 2.Sd2#
- 2.Sxd6#
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Se7
- 2.Sd2#
- 2.Sd6#
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Sfxe3!
- threat
- 1.Bd6?
- threat
- 2.Bb7#
- 1...Rxh7
- 2.Qf1#
- 1...Scxe3
- 2.Qd3#
- 1...Sxd6
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Scd4
- 2.Qd3#
- 1...Sfd4
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Se7
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Sfxe3!
- threat
- 1.Be7?
- threat
- 2.Bb7#
- 1...Scxe3
- 2.Qd3#
- 1...Sxe7
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Rh6
- 2.Qf1#
- 1...Scd4
- 2.Qd3#
- 1...Sfd4
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Sd6
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Sfxe3!
- threat
- 1.Bf8?
- threat
- 2.Bb7#
- 1...Rxh7
- 2.Qf1#
- 1...Scxe3
- 2.Qd3#
- 1...Rh6
- 2.Qf1#
- 1...Scd4
- 2.Qd3#
- 1...Sfd4
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Sd6
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Se7
- 2.Bb5#
- 2.Bd5#
- 2.Rc5#
- 1...Sfxe3!
- threat
- 1.Rxf5?
- threat
- 2.Bd5#
- 1...Sxe3
- 2.Qd3#
- 1...Rd1!
- threat
- 1.Qd1?
- threat
- 2.Bd5#
- 2.Qe2#
- 2.Qd3#
- 2.Qd5#
- 1...Scxe3
- 2.Qe2#
- 2.Qd3#
- 1...Sfxe3
- 2.Qe2#
- 2.Qd3#
- 1...Re1
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Se1
- 2.Bd5#
- 2.Qd5#
- 1...Scd4
- 2.Qd3#
- 1...Sg3
- 2.Bd5#
- 2.Qd3#
- 2.Qd5#
- 1...Sfd4
- 2.Bd5#
- 2.Qd3#
- 1...Se7
- 2.Qe2#
- 2.Qd3#
- 1...Rxd1!
- threat
- 1.h8Q?
- threat
- 2.Qg8#
- 1...Rxh8
- 2.Qf1#
- 1...Scxe3
- 2.Qd3#
- 1...Sfxe3
- 2.Sd2#
- 2.Sd6#
- 1...Rh6
- 2.Qf1#
- 1...Rh7
- 2.Qf1#
- 1...Scd4
- 2.Qd3#
- 1...Sfd4
- 2.Bd5#
- 1...Sd6
- 2.Sd2#
- 2.Sxd6#
- 2.Bd5#
- 1...Sh6
- 2.Sd2#
- 2.Sd6#
- 2.Bd5#
- 1...Se7
- 2.Sd2#
- 2.Sd6#
- 1...Sg7
- 2.Bd5#
- 1...Rd1!
- threat
- 1.Sd3?
- Keys
- 1.Bb7!
- threat
- 2.Bd4#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Rxh7
- 2.Be7#
- 2.Qf1#
- 1...Scxe3
- 2.Bxe3#
- 2.Qd3#
- 1...Sfxe3
- 2.Bxe3#
- 2.Bxa6#
- 1...Rh6
- 2.Bd6#
- 2.Qf1#
- 1...Scd4
- 2.Bxd4#
- 2.Qd3#
- 1...Sfd4
- 2.Bxd4#
- 2.Bd5#
- 1...Sd6
- 2.Bxd6#
- 2.Bd5#
- 1...Se7
- 2.Bxe7#
- 2.Bxa6#
- threat
- 1.Bb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- R(a);N_GUARD::QAB(A),XR(a)
- R(a);N_GUARD::QAB(A)
- R(a);N_GUARD,XP(J)::QAB(A)
- S(c);OGATE::QAB1(A)
- S(c);OGATE,XP(C)::QAB1(A)
- S(g);::B(I)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(A)::S(B)
- Refutation
- K(f);P_SPINS(c),S_FLIGHT,XS(B)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XP(C)::QAB1(A)
- S(c);OGATE,XB(F)::QAB1(A)
- R(a);::R(L)+B(I)
- Refutation
- S(g);XP(C)
- Try
- B(F);
- Threat
- R(L)+B(I)
- Vars
- R(a);N_GUARD,XP(J)::QAB(A)
- S(c);OGATE,XP(C)::QAB1(A)
- S(c);OGATE::QAB1(A)
- Refutation
- S(g);XP(C)
- Try
- B(F);
- Threat
- R(L)+B(I)
- Vars
- S(c);OGATE,XP(C)::QAB1(A)
- R(a);N_GUARD::QAB(A)
- S(c);OGATE::QAB1(A)
- Refutation
- S(g);XP(C)
- Try
- B(F);
- Threat
- R(L)+B(I)
- Vars
- R(a);N_GUARD,XP(J)::QAB(A)
- S(c);OGATE,XP(C)::QAB1(A)
- R(a);N_GUARD::QAB(A)
- S(c);OGATE::QAB1(A)
- Refutation
- S(g);XP(C)
- Try
- R(G);XS(g)
- Threat
- B(I)
- Vars
- S(c);OGATE,XP(C)::QAB1(A)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- S(c);::QAB1(A)
- Refutation
- R(a);XQ(A)
- Try
- P(J);
- Threat
- QAB(J)
- Vars
- R(a);N_GUARD,P_PINR(L),XQ(J)::QAB(A)
- S(c);OGATE,XP(C)::QAB1(A)
- R(a);N_GUARD::QAB(A)
- S(c);OGATE::QAB1(A)
- S(g);::B(I)
- Refutation
- R(a);
- Try
- Actual
- B(I);
- Threat
- DUALS(4)
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).