MESON Chess Problem Database
Problem Display
PID: 16437 (K2R4/1n1b1N2/4N3/4P1pr/1n1Bk1Pp/1Q2p1pR/1P3pPP/5B2 w - - 0 1)
Fleck, Ferenc
1st Prize, Magyar Sakkvilag, 1940
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Rh6
- 2.Sfxg5#
- 1...Rh7
- 2.Sfxg5#
- 1...Rh8
- 2.Sfxg5#
- 1...Ba4
- 2.Qxe3#
- 1...Bb5
- 2.Qxe3#
- 1...Bc6
- 2.Qxe3#
- 1...Bxe6
- 2.Qxe3#
- 1...Bc8
- 2.Qxe3#
- 1...Be8
- 2.Qxe3#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 1...Sa6
- 2.Bd3#
- 1...Sc6
- 2.Bd3#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sxd8
- 2.Sd6#
- 1...e2
- 2.Qf3#
- 1...gxh2
- 2.Rxe3#
- 1...Rh6
- Tries
- 1.Ka7?
- 1...Bxe6
- 2.Qxe3#
- 1...Sxd8
- 2.Sd6#
- 1...gxh2
- 2.Rxe3#
- 1...Rh6
- 2.Sfxg5#
- 1...Rh7
- 2.Sfxg5#
- 1...Rh8
- 2.Sfxg5#
- 1...Ba4
- 2.Qxe3#
- 1...Bb5
- 2.Qxe3#
- 1...Bc6
- 2.Qxe3#
- 1...Bc8
- 2.Qxe3#
- 1...Be8
- 2.Qxe3#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 1...Sa6
- 2.Bd3#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...e2
- 2.Qf3#
- 1...Sc6+!
- 1...Bxe6
- 1.Bc4?
- threat
- 2.Qxe3#
- 1...Sc2
- 2.Bd3#
- 2.Bd5#
- 2.Qxc2#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Bd5#
- 2.Qxd3#
- 1...Sd5
- 2.Bd3#
- 2.Bxd5#
- 2.Qc2#
- 2.Qd3#
- 1...e2
- 2.Qe3#
- 2.Qf3#
- 1...f1S!
- threat
- 1.Rxg3?
- threat
- 2.Rxe3#
- 1...Bxe6
- 2.Qxe3#
- 1...Sc2
- 2.Bd3#
- 1...Sd5
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 1...e2
- 2.Re3#
- 2.Qf3#
- 1...hxg3!
- threat
- 1.Rxd7?
- threat
- 2.Qxe3#
- 1...Sc2
- 2.Bd3#
- 2.Qxc2#
- 2.Qd5#
- 2.Qd3#
- 2.Qxb7#
- 1...Sd3
- 2.Bxd3#
- 2.Qd5#
- 2.Qxd3#
- 2.Qxb7#
- 1...Sd5
- 2.Bd3#
- 2.Qc2#
- 2.Qxd5#
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 1...e2
- 2.Qe3#
- 2.Qf3#
- 1...Rh8+!
- threat
- 1.hxg3?
- 1...Bxe6
- 2.Qxe3#
- 1...Sxd8
- 2.Sd6#
- 1...Rh6
- 2.Sfxg5#
- 1...Rh7
- 2.Sfxg5#
- 1...Rh8
- 2.Sfxg5#
- 1...Ba4
- 2.Qxe3#
- 1...Bb5
- 2.Qxe3#
- 1...Bc6
- 2.Qxe3#
- 1...Bc8
- 2.Qxe3#
- 1...Be8
- 2.Qxe3#
- 1...Sa2
- 2.Bd3#
- 1...Sc2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sd5
- 2.Bd3#
- 2.Qc2#
- 2.Qd3#
- 1...Sa6
- 2.Bd3#
- 1...Sc6
- 2.Bd3#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...e2
- 2.Qf3#
- 1...hxg3!
- 1...Bxe6
- 1.Ka7?
- Keys
- 1.Bxe3!
- 1...Bxe6
- 2.Rd4#
- 1...Sxd8
- 2.Sc5#
- 1...gxh2
- 2.Qc4#
- 1...Sd3
- 2.Qxd3#
- 1...Rh6
- 2.Sexg5#
- 1...Rh7
- 2.Sexg5#
- 1...Rh8
- 2.Sexg5#
- 1...Ba4
- 2.Rd4#
- 1...Bb5
- 2.Rd4#
- 1...Bc6
- 2.Rd4#
- 1...Bc8
- 2.Rd4#
- 1...Be8
- 2.Rd4#
- 1...Sa2
- 2.Qd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Bxe6
- 1.Bxe3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 19
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(h);N_GUARD::S(K),XP(g)
- R(h);N_GUARD,P_PINR(M)::S(K),XP(g)
- B(j);::QAR1(E),XP(b)
- B(j);XS(J)::QAR1(E),XP(b)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- S(i);N_GUARD,XR(M)::S(K)
- P(b);OGATE::QAB1(E)
- P(c);OGATE,XP(D)::R1(F),XP(b)
- Tries
- Try
- K(L);P-FLIGHT
- Vars
- B(j);XS(J)::QAR1(E),XP(b)
- S(i);N_GUARD,XR(M)::S(K)
- P(c);OGATE,XP(D)::R1(F),XP(b)
- R(h);N_GUARD::S(K),XP(g)
- B(j);::QAR1(E),XP(b)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(b);OGATE::QAB1(E)
- Refutation
- S(d);CHECK
- Try
- B(A);
- Threat
- QAR1(E),XP(b)
- Refutation
- P(a);
- Try
- R(F);XP(c)
- Threat
- R1(F),XP(b)
- Vars
- B(j);XS(J)::QAR1(E),XP(b)
- S(d);N_GUARD::B(A)
- Refutation
- P(f);XR(F)
- Try
- R(M);XB(j)
- Threat
- QAR1(E),XP(b)
- Vars
- S(i);N_GUARD::S(K),XS(i)
- Refutation
- R(h);CHECK
- Try
- P(D);XP(c)
- Vars
- B(j);XS(J)::QAR1(E),XP(b)
- S(i);N_GUARD,XR(M)::S(K)
- R(h);N_GUARD::S(K),XP(g)
- R(h);N_GUARD,P_PINR(M)::S(K),XP(g)
- B(j);::QAR1(E),XP(b)
- S(d);N_GUARD::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(b);OGATE::QAB1(E)
- Refutation
- P(f);XP(D)
- Try
- Actual
- B(G);XP(b)
- Vars
- B(j);OGATE,XS(J)::R1(M)
- S(i);N_GUARD,XR(M)::S(J)
- P(c);XP(D)::QAR2(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- R(h);N_GUARD::S(J),XP(g)
- R(h);N_GUARD,P_PINR(M)::S(J),XP(g)
- B(j);OGATE::R1(M)
- S(d);N_GUARD::QAB1(E)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
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).