MESON Chess Problem Database
Problem Display
PID: 100021 (8/6Np/3p1N1Q/pRbPkP2/rpRn2p1/pP1P2pb/K5n1/7B w - - 0 1)
Fleck, Ferenc
3rd Comm., Magyar Sakkvilag, 1943
#2
11 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb6
- 2.Sd7#
- 1...Ba7
- 2.Sd7#
- 1...Se1
- 2.Sd7#
- 1...Se3
- 2.Sd7#
- 1...Sf4
- 2.Sd7#
- 1...Sh4
- 2.Sd7#
- 1...Sc2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sxb3
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sxb5
- 2.Re4#
- 1...Sxf5
- 2.Re4#
- 1...Sc6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 1...Bb6
- Tries
- 1.Kb1?
- 1...Sxb3
- 2.Re4#
- 1...Sxb5
- 2.Re4#
- 1...Sxf5
- 2.Re4#
- 1...Bb6
- 2.Sd7#
- 1...Ba7
- 2.Sd7#
- 1...Se1
- 2.Sd7#
- 1...Se3
- 2.Sd7#
- 1...Sf4
- 2.Sd7#
- 1...Sh4
- 2.Sd7#
- 1...Sc2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 1...a2+!
- 1...Sxb3
- 1.Sfh5?
- 1...Sxb3
- 2.Qe6#
- 1...Sxb5
- 2.Qe6#
- 1...Sxf5
- 2.Qe6#
- 1...Bb6
- 2.Qf6#
- 1...Ba7
- 2.Qf6#
- 1...Se1
- 2.Qe3#
- 2.Qf4#
- 2.Qf6#
- 1...Se3
- 2.Qxe3#
- 2.Qf4#
- 2.Qf6#
- 1...Sf4
- 2.Qxf4#
- 2.Qf6#
- 1...Sh4
- 2.Qe3#
- 2.Qf4#
- 2.Qf6#
- 1...Sc2
- 2.Qe6#
- 1...Se2
- 2.Qe6#
- 1...Sf3
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Kxd5!
- 1...Sxb3
- 1.Bxg2?
- threat
- 2.Sd7#
- 1...Sf3
- 2.Re4#
- 1...Bxg2!
- threat
- 1.Rxd4?
- threat
- 2.Re4#
- 1...Bxd4
- 2.Sd7#
- 1...Kxd4!
- threat
- 1.Rxa5?
- 1...Sxb3
- 2.Re4#
- 1...Sxf5
- 2.Re4#
- 1...Bb6
- 2.Sd7#
- 1...Ba7
- 2.Sd7#
- 1...Se1
- 2.Sd7#
- 1...Se3
- 2.Sd7#
- 1...Sf4
- 2.Sd7#
- 1...Sh4
- 2.Sd7#
- 1...Sc2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sc6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 1...Rxa5!
- 1...Sxb3
- 1.Rb6?
- 1...Sxb3
- 2.Re4#
- 1...Sxf5
- 2.Re4#
- 1...Se1
- 2.Sd7#
- 1...Se3
- 2.Sd7#
- 1...Sf4
- 2.Sd7#
- 1...Sh4
- 2.Sd7#
- 1...Sc2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sb5
- 2.Re4#
- 1...Sc6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 1...Bxb6!
- 1...Sxb3
- 1.bxa4?
- 1...Sxb5
- 2.Re4#
- 1...Sxf5
- 2.Re4#
- 1...Bb6
- 2.Sd7#
- 1...Ba7
- 2.Sd7#
- 1...Se1
- 2.Sd7#
- 1...Se3
- 2.Sd7#
- 1...Sf4
- 2.Sd7#
- 1...Sh4
- 2.Sd7#
- 1...Sc2
- 2.Re4#
- 1...Se2
- 2.Re4#
- 1...Sb3
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc6
- 2.Re4#
- 1...Se6
- 2.Re4#
- 1...b3+!
- 1...Sxb5
- 1.Kb1?
- Keys
- 1.Sfe8!
- 1...Kxd5
- 2.Qxd6#
- 1...Sxb3
- 2.Qe6#
- 1...Sxb5
- 2.Qe6#
- 1...Sxf5
- 2.Qe6#
- 1...Bb6
- 2.Qxd6#
- 1...Ba7
- 2.Qxd6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qf6#
- 1...Sh4
- 2.Qe3#
- 1...Sc2
- 2.Qe6#
- 1...Se2
- 2.Qe6#
- 1...Sf3
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Kxd5
- 1.Sfe8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 14
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(j);::S(I)
- S(a);::S(I)
- S(g);OGATE::R1(E)
- S(g);OGATE,XP(C)::R1(E)
- S(g);OGATE,XR(F)::R1(E)
- S(g);OGATE,XP(H)::R1(E)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- S(g);OGATE,XP(C)::R1(E)
- S(g);OGATE,XR(F)::R1(E)
- S(g);OGATE,XP(H)::R1(E)
- B(j);::S(I)
- S(a);::S(I)
- S(g);OGATE::R1(E)
- Refutation
- P(b);CHECK
- Try
- S(I);
- Vars
- S(g);N_GUARD,XP(C)::QAR1(J)
- S(g);N_GUARD,XR(F)::QAR1(J)
- S(g);N_GUARD,XP(H)::QAR1(J)
- B(j);::QAB1(J)
- S(g);N_GUARD::QAR1(J)
- S(g);N_GUARD::QAR1(J),XS(g)
- Refutation
- K(k);P-FLIGHT,P_SPINB(j),P_SPINS(a),XP(G)
- Try
- B(A);XS(a)
- Threat
- S(I)
- Vars
- S(g);OGATE::R1(E)
- Refutation
- B(d);XB(A)
- Try
- R(E);XS(g)
- Threat
- R1(E)
- Vars
- B(j);SBLOCK,XR(E)::S(I)
- Refutation
- K(k);S_FLIGHT,XR(E)
- Try
- R(F);XP(i)
- Vars
- S(g);OGATE,XP(C)::R1(E)
- S(g);OGATE,XP(H)::R1(E)
- B(j);::S(I)
- S(a);::S(I)
- S(g);OGATE::R1(E)
- Refutation
- R(e);XR(F)
- Try
- R(F);
- Vars
- S(g);OGATE,XP(C)::R1(E)
- S(g);OGATE,XP(H)::R1(E)
- S(a);::S(I)
- S(g);OGATE::R1(E)
- Refutation
- B(j);XR(F)
- Try
- P(C);XR(e)
- Vars
- S(g);OGATE,XR(F)::R1(E)
- S(g);OGATE,XP(H)::R1(E)
- B(j);::S(I)
- S(a);::S(I)
- S(g);OGATE::R1(E)
- Refutation
- P(f);CHECK
- Try
- Actual
- S(I);
- Vars
- K(k);P-FLIGHT,P_SPINB(j),P_SPINS(a),XP(G)::QAR1(J),XP(l)
- S(g);N_GUARD,XP(C)::QAR1(J)
- S(g);N_GUARD,XR(F)::QAR1(J)
- S(g);N_GUARD,XP(H)::QAR1(J)
- B(j);N_GUARD::QAB1(J),XP(l)
- S(a);N_GUARD::QAR2(J)
- S(a);N_GUARD::QAR2(J),XS(a)
- S(a);SBLOCK::QAB1(J)
- S(g);N_GUARD::QAR1(J)
- S(g);N_GUARD::QAR1(J),XS(g)
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).