MESON Chess Problem Database
Problem Display
PID: 135502 (5K1n/B4np1/p1Q3qb/1pPP2r1/Pr1k4/4RB2/1N1P4/N1R5 w - - 0 1)
Ancin, Andrej
Klein, Laszlo
1st HM., Uj Magyarsag, 1936
#2
12 + 10
| 14649 | Andrej Ancin - Chess Compositions | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Sxc2#
- 1...Qe4
- 2.Rxe4#
- 1...Qh5
- 2.Sc2#
- 2.Re4#
- 1...Qxc6
- 2.Sc2#
- 1...Qd6+
- 2.cxd6#
- 1...Qe6
- 2.Sc2#
- 1...Qf6
- 2.Sc2#
- 2.Re4#
- 1...Rb3
- 2.Sxb3#
- 1...Rxa4
- 2.Sb3#
- 1...Rc4
- 2.Sb3#
- 1...Rxd5
- 2.Qxd5#
- 1...Rf5
- 2.Sc2#
- 2.Re4#
- 1...Sd6
- 2.cxd6#
- 1...Qc2
- Tries
- 1.Rc4+?
- 1...Rxc4
- 2.Sb3#
- 1...bxc4!
- 1...Rxc4
- 1.Qxb5?
- threat
- 2.Qxb4#
- 2.c6#
- 1...Qd6+
- 2.cxd6#
- 1...Rxb2
- 2.Rc4#
- 2.Qc4#
- 2.Qxb2#
- 2.c6#
- 1...Rxa4
- 2.Sb3#
- 2.Qxa4#
- 2.c6#
- 1...Rxb5
- 2.Rc4#
- 1...Rxd5
- 2.Qxb4#
- 1...axb5
- 2.c6#
- 1...Qc2
- 2.Sxc2#
- 1...Qd3
- 2.Qxd3#
- 2.c6#
- 1...Qb6
- 2.Sc2#
- 2.Qd3#
- 1...Qc6
- 2.Sc2#
- 2.Qd3#
- 2.Qxb4#
- 1...Rb3
- 2.Sxb3#
- 2.Rc4#
- 2.Qc4#
- 2.c6#
- 1...Rc4
- 2.Sb3#
- 2.Rxc4#
- 2.Qxc4#
- 1...Se5
- 2.c6#
- 1...Sd6
- 2.cxd6#
- 2.c6#
- 1...a5
- 2.c6#
- 1...Qe4!
- threat
- 1.Qd7?
- threat
- 2.c6#
- 1...Qd6+
- 2.cxd6#
- 1...Qe4
- 2.Rxe4#
- 1...Qc2
- 2.Sxc2#
- 1...Qb6
- 2.Re4#
- 1...Qc6
- 2.Sc2#
- 2.Re4#
- 1...Rc4
- 2.Sb3#
- 1...bxa4!
- threat
- 1.Qa8?
- threat
- 2.c6#
- 1...Qd6+
- 2.cxd6#
- 1...Rxd5
- 2.Qxd5#
- 1...Qe4
- 2.Rxe4#
- 1...Qc2
- 2.Sxc2#
- 1...Qb6
- 2.Re4#
- 1...Qc6
- 2.Sc2#
- 1...Rc4
- 2.Sb3#
- 1...bxa4!
- threat
- 1.Qd6?
- threat
- 2.c6#
- 1...Qxd6+
- 2.cxd6#
- 1...Qc2
- 2.Sxc2#
- 1...Rc4
- 2.Sb3#
- 1...bxa4!
- threat
- 1.Qe6?
- threat
- 2.c6#
- 1...Rxd5
- 2.Qxd5#
- 1...Qc2
- 2.Sxc2#
- 1...Rc4
- 2.Sb3#
- 1...bxa4!
- threat
- 1.Qf6+?
- 1...Qxf6
- 2.Sc2#
- 2.c6#
- 1...Re5
- 2.c6#
- 1...Se5
- 2.c6#
- 1...gxf6+!
- 1...Qxf6
- 1.Qxg6?
- threat
- 2.Sc2#
- 2.Qd3#
- 2.Qe4#
- 2.c6#
- 1...Rxb2
- 2.Qd3#
- 2.Qe4#
- 2.c6#
- 1...Rxd5
- 2.Sc2#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 1...Rxg6
- 2.Sc2#
- 2.c6#
- 1...bxa4
- 2.Sc2#
- 2.Qd3#
- 2.Qe4#
- 1...Rb3
- 2.Sc2#
- 2.Sxb3#
- 2.Qe4#
- 2.c6#
- 1...Rc4
- 2.Sb3#
- 2.Qd3#
- 2.Qe4#
- 1...Rg4
- 2.Sc2#
- 2.Qd3#
- 2.c6#
- 1...Re5
- 2.Sc2#
- 2.Rd3#
- 2.Qd3#
- 2.c6#
- 1...Rf5
- 2.Sc2#
- 2.c6#
- 1...Se5
- 2.Sc2#
- 2.Qe4#
- 2.c6#
- 1...Sd6
- 2.Sc2#
- 2.Qd3#
- 2.cxd6#
- 2.c6#
- 1...Sxg6+!
- threat
- 1.Rc4+?
- Keys
- 1.Qb7!
- threat
- 2.c6#
- 1...Qd6+
- 2.cxd6#
- 1...Rxd5
- 2.Qxd5#
- 1...bxa4
- 2.Qxb4#
- 1...Qe4
- 2.Rxe4#
- 1...Qc2
- 2.Sxc2#
- 1...Qb6
- 2.Re4#
- 1...Qc6
- 2.Sc2#
- 1...Rc4
- 2.Sb3#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD::R1(E),XQ(f)
- Q(f);N_GUARD,XQ(J)::S(A)
- Q(f);CHECK,OGATE::B(K)+P(H),XQ(f)
- Q(f);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(a);N_GUARD,XP(G)::S(A)
- R(a);N_GUARD::S(A)
- R(d);OGATE,XP(I)::QAR1(J),XR(d)
- S(h);OGATE::B(K)+P(H),XS(h)
- Tries
- Try
- R(B);CHECK
- Vars
- R(a);XR(B)::S(A)
- Refutation
- P(c);XR(B)
- Try
- Q(J);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,OGATE::B(K)+P(H),XQ(f)
- R(a);N_GUARD,XQ(J)::R1(B)
- R(d);XP(I)::QAR2(J),XR(a)
- P(e);XQ(J)::B(K)+P(H)
- Q(f);N_GUARD::S(A),XQ(f)
- S(h);::B(K)+P(H)
- P(e);::B(K)+P(H)
- Refutation
- Q(f);
- Try
- Q(J);
- Threat
- B(K)+P(H)
- Vars
- Q(f);CHECK,OGATE::B(K)+P(H),XQ(f)
- Q(f);N_GUARD::R1(E),XQ(f)
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD::R1(E)
- R(a);N_GUARD::S(A)
- Refutation
- P(c);XP(G)
- Try
- Q(J);
- Threat
- B(K)+P(H)
- Vars
- Q(f);CHECK,OGATE::B(K)+P(H),XQ(f)
- R(d);OGATE,XP(I)::QAR1(J),XR(d)
- Q(f);N_GUARD::R1(E),XQ(f)
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD::R1(E)
- Q(f);N_GUARD::S(A)
- R(a);N_GUARD::S(A)
- Refutation
- P(c);XP(G)
- Try
- Q(J);
- Threat
- B(K)+P(H)
- Vars
- Q(f);CHECK,OGATE,XQ(J)::B(K)+P(H),XQ(f)
- Q(f);N_GUARD::S(A),XQ(f)
- R(a);N_GUARD::S(A)
- Refutation
- P(c);XP(G)
- Try
- Q(J);
- Threat
- B(K)+P(H)
- Vars
- R(d);OGATE,XP(I)::QAR1(J),XR(d)
- Q(f);N_GUARD::S(A),XQ(f)
- R(a);N_GUARD::S(A)
- Refutation
- P(c);XP(G)
- Try
- Q(J);CHECK
- Vars
- R(d);P_SPINR(d)::B(K)+P(H)
- S(h);P_SPINS(h)::B(K)+P(H)
- Refutation
- P(i);CHECK,XQ(J)
- Try
- Q(J);XQ(f)
- Threat
- DUALS(4)
- Refutation
- S(j);CHECK,XQ(J)
- Try
- Actual
- Q(J);
- Threat
- B(K)+P(H)
- Vars
- Q(f);CHECK,OGATE::B(K)+P(H),XQ(f)
- R(d);OGATE,XP(I)::QAR1(J),XR(d)
- P(c);OGATE,XP(G)::QAR2(J),XR(a)
- Q(f);N_GUARD::R1(E),XQ(f)
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD::R1(E)
- Q(f);N_GUARD::S(A)
- R(a);N_GUARD::S(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).