MESON Chess Problem Database
Problem Display
PID: 273249 (7N/2n3r1/p6R/p1KBk1P1/R3Pp2/2p5/3Nb2p/7Q w - - 0 1)
Maleika, Gerhard
5th HM., TW-25 JT, 1993
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Sf7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bd1
- 2.Sc4#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 2.Sc4#
- 1...Bc4
- 2.Sf3#
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Se6+
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...cxd2
- 2.Qa1#
- 1...c2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Rxg5
- Tries
- 1.Ba2?
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bc4
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Sd5!
- 1...Se6+
- 1.Bb3?
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bc4
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Sd5!
- 1...Se6+
- 1.Rxa5?
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 2.Sc4#
- 1...Bc4
- 2.Sf3#
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Sxd5!
- 1...Se6+
- 1.Rb6?
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 2.Sc4#
- 1...Bc4
- 2.Sf3#
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Sxd5!
- 1...Se6+
- 1.Rc6?
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 2.Sc4#
- 1...Bc4
- 2.Sf3#
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Sxd5!
- 1...Se6+
- 1.Rd6?
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 2.Sc4#
- 1...Bc4
- 2.Sf3#
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Sxd5!
- 1...Se6+
- 1.Ba2?
- Keys
- 1.Bg8!
- 1...Se6+
- 2.Rxe6#
- 1...Rxg5
- 2.Sf7#
- 1...Rxg8
- 2.Sf7#
- 1...cxd2
- 2.Qa1#
- 1...f3
- 2.Qxh2#
- 1...Bd1
- 2.Sc4#
- 1...Rg6
- 2.Sxg6#
- 1...Rd7
- 2.Sg6#
- 1...Re7
- 2.Sg6#
- 1...Rf7
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Bf1
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bc4
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 1...Bb5
- 2.Sf3#
- 1...Bh5
- 2.Sc4#
- 1...Sb5
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...c2
- 2.Qa1#
- 1...Se6+
- 1.Bg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD,XP(G)::S(I)
- R(i);N_GUARD::S(I)
- B(a);N_GUARD::S(B)
- S(h);N_GUARD::R1(H)
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- P(c);OGATEB,XS(B)::QAB(A)
- P(c);OGATEB::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- Tries
- Try
- B(F);
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I)
- B(a);N_GUARD::S(B),XB(a)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
- Refutation
- S(h);
- Try
- B(F);
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I)
- B(a);N_GUARD::S(B),XB(a)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
- Refutation
- S(h);
- Try
- R(C);XP(e)
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
- Refutation
- S(h);XB(F)
- Try
- R(H);
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
- Refutation
- S(h);XB(F)
- Try
- R(H);
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
- Refutation
- S(h);XB(F)
- Try
- R(H);
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
- Refutation
- S(h);XB(F)
- Try
- Actual
- B(F);
- Vars
- S(h);CHECK,N_GUARD::R1(H),XS(h)
- R(i);N_GUARD,XP(G)::S(I)
- R(i);N_GUARD,XB(F)::S(I)
- P(c);OGATEB,XS(B)::QAB(A)
- P(d);OGATEB::QAB(A),XP(b)
- B(a);N_GUARD::S(B)
- R(i);N_GUARD::S(I),XR(i)
- R(i);N_GUARD::S(I)
- B(a);N_GUARD::S(B),XB(a)
- S(h);N_GUARD::R1(H)
- P(c);OGATEB::QAB(A)
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).