MESON Chess Problem Database
Problem Display
PID: 58317 (7Q/B3p1b1/2pPR3/3k1P2/N6r/1K2p3/1nNP4/3RqB1b w - - 0 1)
Szoghy, Jozsef
1st Prize, Magyar Sak?, 1953
#2
11 + 9
| 1997 | Ajedrez | 1955 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Sxe3#
- 1...Qxf1
- 2.Sxe3#
- 1...Rh2
- 2.Sb4#
- 1...Rh3
- 2.Sb4#
- 1...Rb4+
- 2.Sxb4#
- 1...Rd4
- 2.Sc3#
- 1...Rh5
- 2.Sb4#
- 1...Rh6
- 2.Sb4#
- 1...Rh7
- 2.Sb4#
- 1...Rxh8
- 2.Sb4#
- 1...Be4
- 2.Sb4#
- 1...Bc3
- 2.Sxc3#
- 1...Bd4
- 2.Sb4#
- 1...Be5
- 2.Qxe5#
- 1...Bh6
- 2.Sc3#
- 2.Qe5#
- 1...Bf8
- 2.Sc3#
- 2.Qe5#
- 1...Sc4
- 2.Sb4#
- 1...e2
- 2.Se3#
- 1...c5
- 2.Qa8#
- 1...Qxd2
- Tries
- 1.Bg2+?
- 1...Re4
- 2.Sb4#
- 1...Bxg2!
- 1...Re4
- 1.Bc4+?
- 1...Sxc4
- 2.Sb4#
- 1...Rxc4!
- 1...Sxc4
- 1.Bd4?
- threat
- 2.Sc3#
- 2.Sb6#
- 1...Qxd2
- 2.Sb6#
- 1...Bxd4
- 2.Sb4#
- 1...Sxd1
- 2.Sb6#
- 2.Bc4#
- 1...Sxa4
- 2.Bc4#
- 1...Be5
- 2.Sc3#
- 2.Qxe5#
- 1...c5
- 2.Qa8#
- 1...Sc4
- 2.Sc3#
- 2.Bxc4#
- 1...Rxd4!
- threat
- 1.Qxg7?
- threat
- 2.Sc3#
- 2.Qe5#
- 1...Rb4+
- 2.Sxb4#
- 1...Rxa4
- 2.Qe5#
- 1...Sxd1
- 2.Qe5#
- 1...Sxa4
- 2.Qe5#
- 1...exd2
- 2.Sc3#
- 1...exd6
- 2.Sc3#
- 1...Qg3
- 2.Sc3#
- 1...Rc4
- 2.Qe5#
- 1...Re4
- 2.Sc3#
- 1...Sd3
- 2.Sc3#
- 1...Sc4
- 2.Sb4#
- 2.Sc3#
- 1...c5!
- threat
- 1.Qxh4?
- threat
- 2.Sb4#
- 2.Qxh1#
- 1...Qxh4
- 2.Sxe3#
- 1...Qxf1
- 2.Sxe3#
- 2.Sb4#
- 1...exd2
- 2.Sb4#
- 1...c5
- 2.Qxh1#
- 1...Qf2
- 2.Sb4#
- 1...Qg3
- 2.Sb4#
- 1...Qe2
- 2.Sb4#
- 1...Bg2
- 2.Sb4#
- 2.Bxg2#
- 1...Bf3
- 2.Sb4#
- 1...Be4
- 2.Sb4#
- 2.Qxe4#
- 1...Bc3
- 2.Sxc3#
- 2.Qxh1#
- 1...Sd3
- 2.Qxh1#
- 2.Qc4#
- 1...Qxd1!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rb4+
- 2.Sxb4#
- 1...Qxd2
- 2.Sxe3#
- 2.d8Q#
- 2.d8R#
- 1...Qxd1
- 2.d8Q#
- 2.d8R#
- 1...Qxf1
- 2.Sxe3#
- 2.d8Q#
- 2.d8R#
- 1...Rxa4
- 2.d8Q#
- 2.d8R#
- 1...Rxh8
- 2.Sb4#
- 1...Bxh8
- 2.d8Q#
- 2.d8R#
- 1...Sxd1
- 2.d8Q#
- 2.d8R#
- 1...Sxa4
- 2.d8Q#
- 2.d8R#
- 1...exd2
- 2.d8Q#
- 2.d8R#
- 1...Be5
- 2.Qxe5#
- 1...Qf2
- 2.d8Q#
- 2.d8R#
- 1...Qe2
- 2.d8Q#
- 2.d8R#
- 1...Rh2
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Rh3
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Rc4
- 2.d8Q#
- 2.d8R#
- 1...Rd4
- 2.Sc3#
- 2.d8Q#
- 2.d8R#
- 1...Re4
- 2.d8Q#
- 2.d8R#
- 1...Rf4
- 2.d8Q#
- 2.d8R#
- 1...Rg4
- 2.d8Q#
- 2.d8R#
- 1...Rh5
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Rh6
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Rh7
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Bc3
- 2.Sxc3#
- 2.d8Q#
- 2.d8R#
- 1...Bd4
- 2.Sb4#
- 2.d8Q#
- 2.d8R#
- 1...Bf6
- 2.d8Q#
- 2.d8R#
- 1...Bh6
- 2.Sc3#
- 2.Qe5#
- 2.d8Q#
- 2.d8R#
- 1...Bf8
- 2.Sc3#
- 2.Qe5#
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.d8Q#
- 2.d8R#
- 1...Sc4
- 2.Sb4#
- 1...e2
- 2.Se3#
- 2.d8Q#
- 2.d8R#
- 1...c5
- 2.Sb6#
- 2.Qa8#
- 2.d8Q#
- 2.d8R#
- 1...Qg3!
- threat
- 1.Bg2+?
- Keys
- 1.d4!
- threat
- 2.Sb6#
- 1...Qc3+
- 2.Sxc3#
- 1...Qb4+
- 2.Sxb4#
- 1...Rxd4
- 2.Qxh1#
- 1...Bxd4
- 2.Qe5#
- 1...Sxa4
- 2.Bc4#
- 1...Be5
- 2.Qxe5#
- 1...c5
- 2.Qa8#
- 1...Qa5
- 2.Sxe3#
- 1...Sc4
- 2.Bxc4#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD,P_SPINQ(a),XP(D)::S(C),XP(d)
- Q(a);N_GUARD,XB(B)::S(C),XP(d)
- R(e);N_GUARD::S(C)
- R(e);CHECK,N_GUARD::S(C),XR(e)
- R(e);S_CUTB(i)::S(F)
- R(e);N_GUARD,XQ(K)::S(C)
- B(b);S_CUTR(e)::S(C)
- B(i);N_GUARD::S(F),XB(i)
- B(i);S_CUTR(e)::S(C)
- B(i);OGATE::QAR1(K),XB(i)
- S(c);S_CUTR(e)::S(C)
- P(d);S_CUTQ(a)::S(C)
- P(g);OGATEB::QAB(K)
- Tries
- Try
- B(B);CHECK
- Vars
- R(e);P_SPINR(e)::S(C)
- Refutation
- B(b);XB(B)
- Try
- B(B);CHECK
- Vars
- S(c);XB(B)::S(C)
- Refutation
- R(e);XB(B)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(D)::S(F)
- B(i);XB(J)::S(C)
- S(c);N_GUARD,XS(F)::B(B)
- P(g);OGATEB::QAB(K)
- Refutation
- R(e);XB(J)
- Try
- Q(K);XB(i)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::S(C),XR(e)
- R(e);XS(F)::QAR1(K)
- S(c);XR(A)::QAR1(K)
- S(c);XS(F)::QAR1(K)
- P(d);P_SPINP(d),XP(D)::S(F)
- P(h);XP(H)::S(F)
- Q(a);::S(F)
- R(e);::QAR1(K)
- R(e);::S(F)
- S(c);::S(F)
- Refutation
- P(g);
- Try
- Q(K);XR(e)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XQ(K)::S(C),XP(d)
- P(d);P_SPINP(d),XP(D)::S(C)
- P(g);::QAB(K),XB(b)
- Q(a);::S(C)
- B(b);::S(C)
- Refutation
- Q(a);P_PINS(C),XR(A)
- Try
- P(H);
- Threat
- P=Q
- Vars
- R(e);CHECK,N_GUARD::S(C),XR(e)
- Q(a);P_PINS(C),XR(A)::P=Q
- R(e);XS(F)::P=Q
- R(e);N_GUARD,XQ(K)::S(C)
- B(i);XQ(K)::P=Q
- S(c);XR(A)::P=Q
- S(c);XS(F)::P=Q
- P(d);P_SPINP(d),XP(D)::P=Q
- B(i);OGATE::QAR1(K),XB(i)
- Q(a);::P=Q
- R(e);::P=Q
- B(b);::P=Q
- B(i);::P=Q
- S(c);::P=Q
- S(c);S_CUTR(e)::S(C)
- Refutation
- Q(a);
- Try
- Actual
- P(D);
- Threat
- S(F)
- Vars
- Q(a);CHECK,N_GUARD::S(F),XQ(a)
- Q(a);CHECK,N_GUARD::S(C),XQ(a)
- R(e);OGATE,P_SPINR(e),XP(D)::QAB(K),XB(b)
- B(i);OGATE,P_SPINB(i),XP(D)::QAR1(K)
- S(c);N_GUARD,XS(F)::B(B)
- B(i);OGATE::QAR1(K),XB(i)
- P(g);OGATEB::QAB(K)
- Q(a);N_GUARD::S(C),XP(d)
- S(c);N_GUARD::B(B),XS(c)
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).