MESON Chess Problem Database
Problem Display
PID: 124504 (1n2r2b/4R3/r1q5/pp4Q1/N2k1P2/5PK1/3BB1n1/2R1Nb2 w - - 0 1)
Fleck, Ferenc
Magyar Nemzet, 1958
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxf3+
- 2.Sxf3#
- 1...Qe4
- 2.Qc5#
- 1...Qd5
- 2.Sc2#
- 2.Bc3#
- 1...Qb7
- 2.Sc2#
- 2.Bc3#
- 2.Qc5#
- 1...Qd7
- 2.Sc2#
- 2.Bc3#
- 2.Qc5#
- 1...Qa8
- 2.Sc2#
- 2.Bc3#
- 2.Qc5#
- 1...Qc2
- 2.Sxc2#
- 1...Qc3
- 2.Bxc3#
- 1...Qc5
- 2.Qxc5#
- 1...Qb6
- 2.Sc2#
- 2.Bc3#
- 1...Qd6
- 2.Sc2#
- 2.Bc3#
- 1...Qe6
- 2.Sc2#
- 2.Qc5#
- 1...Qf6
- 2.Sc2#
- 2.Bc3#
- 2.Qc5#
- 1...Qg6
- 2.Bc3#
- 1...Qh6
- 2.Sc2#
- 2.Bc3#
- 2.Qc5#
- 1...Be5
- 2.Qxe5#
- 1...Sxe1
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 1...Sxf4
- 2.Be3#
- 1...Sh4
- 2.Be3#
- 1...Qxf3+
- Tries
- 1.Sc5?
- threat
- 2.Sc2#
- 2.Sb3#
- 2.Bc3#
- 1...Qxf3+
- 2.Sxf3#
- 1...Qxc5
- 2.Qxc5#
- 1...Rxe7
- 2.Sc2#
- 2.Sb3#
- 1...Bxe2
- 2.Sb3#
- 1...Sxe1
- 2.Sb3#
- 2.Bc3#
- 2.Be3#
- 1...Be5
- 2.Qxe5#
- 1...Qe4
- 2.Sb3#
- 1...Qe6
- 2.Sc2#
- 1...Qg6
- 2.Sb3#
- 2.Bc3#
- 1...Se3
- 2.Sb3#
- 2.Bc3#
- 2.Bxe3#
- 1...a4
- 2.Sc2#
- 2.Bc3#
- 1...b4
- 2.Sc2#
- 2.Sb3#
- 2.Rc4#
- 1...Qd5!
- threat
- 1.Rd1?
- threat
- 2.Bc1#
- 2.Bc3#
- 2.Be3#
- 2.Bb4#
- 2.Bxa5#
- 1...Qxf3+
- 2.Sxf3#
- 1...Rxe7
- 2.Bc1#
- 1...Sxe1
- 2.Bxe1#
- 2.Bc3#
- 2.Be3#
- 1...Sxf4
- 2.Bc3#
- 2.Be3#
- 2.Bxf4#
- 1...bxa4
- 2.Bb4#
- 2.Bxa5#
- 1...Be5
- 2.Bc1#
- 2.Qxe5#
- 1...Qe4
- 2.Qc5#
- 1...Qc1
- 2.Bxc1#
- 2.Bc3#
- 2.Be3#
- 1...Qc2
- 2.Sxc2#
- 2.Bc3#
- 2.Be3#
- 1...Qc3
- 2.Bxc3#
- 2.Be3#
- 1...Qc4
- 2.Bc3#
- 2.Be3#
- 1...Qe6
- 2.Sc2#
- 2.Bc1#
- 2.Qc5#
- 1...Qg6
- 2.Bc3#
- 2.Be3#
- 1...Se3
- 2.Bc3#
- 2.Bxe3#
- 1...b4
- 2.Bc1#
- 2.Bc3#
- 2.Be3#
- 2.Bxb4#
- 1...Bxe2!
- threat
- 1.Rc3?
- threat
- 2.Sc2#
- 1...Qxf3+
- 2.Sxf3#
- 1...Qxc3
- 2.Bxc3#
- 1...Sxe1
- 2.Be3#
- 1...Be5
- 2.Qxe5#
- 1...Qe4
- 2.Qc5#
- 1...Se3
- 2.Bxe3#
- 1...Qg6!
- threat
- 1.Rc4+?
- 1...bxc4
- 2.Sc2#
- 2.Bc3#
- 1...Qxc4!
- 1...bxc4
- 1.Rc5?
- threat
- 2.Sc2#
- 2.Bc3#
- 1...Qxf3+
- 2.Sxf3#
- 1...Qxc5
- 2.Qxc5#
- 1...Rxe7
- 2.Sc2#
- 1...Bxe2
- 2.Bc3#
- 1...Sxe1
- 2.Bc3#
- 2.Be3#
- 1...Qe6
- 2.Sc2#
- 1...Qg6
- 2.Bc3#
- 2.Rd5#
- 1...Be5
- 2.Sc2#
- 2.Qxe5#
- 1...Se3
- 2.Bc3#
- 2.Bxe3#
- 1...b4
- 2.Sc2#
- 1...Qe4!
- threat
- 1.Rxc6?
- threat
- 2.Sc2#
- 2.Bc3#
- 2.Qc5#
- 1...Rxe7
- 2.Sc2#
- 2.Qc5#
- 1...Bxe2
- 2.Bc3#
- 2.Qc5#
- 1...Sxe1
- 2.Bc3#
- 2.Be3#
- 2.Qc5#
- 1...Be5
- 2.Qxe5#
- 1...Rg8
- 2.Sc2#
- 2.Bc3#
- 2.Re4#
- 1...Se3
- 2.Bc3#
- 2.Bxe3#
- 2.Qc5#
- 1...Sd7
- 2.Sc2#
- 2.Bc3#
- 2.Rxd7#
- 1...b4
- 2.Sc2#
- 2.Rc4#
- 2.Qc5#
- 1...Rxc6!
- threat
- 1.Re4+?
- 1...Qxe4
- 2.Qc5#
- 1...Rxe4!
- 1...Qxe4
- 1.Rd7+?
- 1...Qd5
- 2.Sc2#
- 2.Rxd5#
- 2.Qxd5#
- 1...Qxd7
- 2.Sc2#
- 2.Qc5#
- 1...Qd6
- 2.Sc2#
- 2.Qc5#
- 1...Sxd7!
- 1...Qd5
- 1.Qd5+?
- 1...Qxd5
- 2.Sc2#
- 2.Bc3#
- 1...Kxd5!
- 1...Qxd5
- 1.Sc5?
- Keys
- 1.Sc3!
- threat
- 2.Sc2#
- 1...Qxf3+
- 2.Sxf3#
- 1...Qxc3
- 2.Bxc3#
- 1...Bxe2
- 2.Sxe2#
- 1...Sxe1
- 2.Be3#
- 1...Qd5
- 2.Qxd5#
- 1...Be5
- 2.Qxe5#
- 1...Qe4
- 2.Sxb5#
- 1...Qg6
- 2.Sxb5#
- 1...Se3
- 2.Bxe3#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(g);CHECK,XP(E)::S(B),XQ(g)
- Q(g);N_GUARD::QAB1(I)
- Q(g);N_GUARD::S(B),XQ(g)
- Q(g);N_GUARD,P_PINP(E)::B(C),XQ(g)
- Q(g);N_GUARD::QAB1(I),XQ(g)
- Q(g);N_GUARD,P_PINQ(I)::B(C)
- B(j);N_GUARD,P_PINP(H)::QAB1(I),XB(j)
- S(b);N_GUARD,XS(B)::B(C)
- S(b);N_GUARD::B(C),XS(b)
- S(b);N_GUARD,XP(H)::B(C)
- S(b);N_GUARD::B(C)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(g);CHECK,XP(E)::S(B),XQ(g)
- Q(g);OGATE,XS(G)::QAB1(I),XQ(g)
- B(a);XB(D)::S(G)
- B(j);N_GUARD,P_PINP(H)::QAB1(I),XB(j)
- Q(g);::S(G)
- Q(g);::S(B)
- Refutation
- Q(g);
- Try
- R(A);
- Threat
- DUALS(5)
- Vars
- Q(g);CHECK,XP(E)::S(B),XQ(g)
- R(i);XR(J)::R(A)+B(C)
- Q(g);N_GUARD::QAB1(I)
- Refutation
- B(a);XB(D)
- Try
- R(A);
- Threat
- S(B)
- Vars
- Q(g);CHECK,XP(E)::S(B),XQ(g)
- Q(g);OGATE,P_PINP(E),XR(A)::B(C),XQ(g)
- S(b);N_GUARD,XS(B)::B(C)
- B(j);N_GUARD,P_PINP(H)::QAB1(I),XB(j)
- Q(g);N_GUARD::QAB1(I)
- S(b);N_GUARD::B(C),XS(b)
- Refutation
- Q(g);P_PINQ(I)
- Try
- R(A);CHECK
- Refutation
- Q(g);XR(A)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- Q(g);CHECK,XP(E)::S(B),XQ(g)
- Q(g);OGATE,XR(A)::QAB1(I),XQ(g)
- R(i);XR(J)::S(B)
- B(a);XB(D)::B(C)
- Q(g);::S(B)
- P(e);::S(B)
- Refutation
- Q(g);
- Try
- R(A);XQ(g)
- Threat
- DUALS(3)
- Vars
- B(j);N_GUARD,P_PINP(H)::QAB1(I),XB(j)
- Refutation
- R(f);XR(A)
- Try
- R(J);CHECK
- Vars
- Q(g);XR(J)::QAB1(I)
- Refutation
- R(i);XR(J)
- Try
- R(J);CHECK
- Refutation
- S(h);XR(J)
- Try
- Q(I);CHECK
- Refutation
- K(c);P-FLIGHT,XQ(I)
- Try
- Actual
- S(G);
- Threat
- S(B)
- Vars
- Q(g);CHECK,XP(E)::S(B),XQ(g)
- Q(g);OGATE,P_PINP(E),XS(G)::B(C),XQ(g)
- B(a);XB(D)::S(G),XB(a)
- S(b);N_GUARD,XS(B)::B(C)
- Q(g);N_GUARD::QAR1(I),XQ(g)
- B(j);N_GUARD,P_PINP(H)::QAB1(I),XB(j)
- Q(g);N_GUARD::S(G),XP(e)
- Q(g);N_GUARD,P_PINQ(I)::S(G),XP(e)
- S(b);N_GUARD::B(C),XS(b)
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).