MESON Chess Problem Database
Problem Display
PID: 120226 (4K2b/4Q1B1/1pR5/3pq3/3k4/3N1p1B/2PP4/4r1n1 w - - 0 1)
Szoghy, Jozsef
Schakend Nederland, 1977
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qxe5#
- 1...Ra1
- 2.Qxe5#
- 1...Rb1
- 2.Qxe5#
- 1...Rc1
- 2.Qxe5#
- 1...Rd1
- 2.Qxe5#
- 1...Rf1
- 2.Qxe5#
- 1...Se2
- 2.Qxe5#
- 1...Ke4
- Tries
- 1.Kd7?
- threat
- 2.Qb4#
- 1...Ke4
- 2.Qxe5#
- 1...Rb1
- 2.Qh4#
- 2.Qxe5#
- 1...Qxg7!
- threat
- 1.Kd8?
- threat
- 2.Qb4#
- 1...Ke4
- 2.Qxe5#
- 1...Rb1
- 2.Qh4#
- 2.Qxe5#
- 1...Qf6!
- threat
- 1.Sxe1?
- threat
- 2.Qxe5#
- 1...Ke4
- 2.Qxe5#
- 1...Qxg7
- 2.Qe3#
- 2.c3#
- 1...Qf6
- 2.Qe3#
- 2.c3#
- 1...Bxg7!
- threat
- 1.Sf2?
- threat
- 2.c3#
- 1...Rc1
- 2.Qxe5#
- 1...Se2
- 2.Qxe5#
- 1...Re3!
- threat
- 1.Sxe5?
- threat
- 2.Sxf3#
- 2.Qb4#
- 1...Ke4
- 2.Sd3#
- 2.Sg6#
- 2.Qh4#
- 1...Rxe5
- 2.Qxe5#
- 1...Rb1
- 2.Sxf3#
- 2.Qh4#
- 1...f2
- 2.Sf3#
- 2.Qb4#
- 1...Bxg7!
- threat
- 1.Bf5?
- threat
- 2.c3#
- 1...Rc1
- 2.Qxe5#
- 1...Se2
- 2.Qxe5#
- 1...Re4!
- threat
- 1.Be6?
- threat
- 2.Qb4#
- 1...Rb1
- 2.Qh4#
- 1...Ke4!
- threat
- 1.Bxe5+?
- 1...Ke4
- 2.Sf2#
- 2.Bf6#
- 2.Bg7#
- 2.Bxh8#
- 2.Qh4#
- 2.Qh7#
- 1...Bxe5
- 2.Qb4#
- 1...Rxe5!
- 1...Ke4
- 1.Rxb6?
- threat
- 2.Rb4#
- 1...Kc4
- 2.Rb4#
- 1...Ke4
- 2.Qxe5#
- 1...Rb1!
- threat
- 1.Kd7?
- Keys
- 1.Re6!
- threat
- 2.Qb4#
- 1...Kc4
- 2.Qb4#
- 1...Ke4
- 2.Qh4#
- 1...Rb1
- 2.Qh4#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- K(d);P-FLIGHT::QAR1(F),XQ(f)
- R(a);N_GUARD::QAB1(F),XQ(f)
- S(b);S_CUTR(a)::QAB1(F),XQ(f)
- Tries
- Try
- K(H);N_SPINQ(F),S_FLIGHT
- Threat
- QAR2(F)
- Vars
- K(d);P-FLIGHT::QAR1(F),XQ(f)
- Refutation
- Q(f);N_SPINQ(f),P_PINQ(F),XB(G)
- Try
- K(H);N_SPINQ(F),P-FLIGHT
- Threat
- QAR2(F)
- Vars
- K(d);P-FLIGHT::QAR1(F),XQ(f)
- Refutation
- Q(f);P_PINQ(F)
- Try
- S(C);XR(a)
- Threat
- QAB1(F),XQ(f)
- Vars
- K(d);P-FLIGHT::QAR1(F),XQ(f)
- Refutation
- B(h);N_SPINQ(f),XB(G)
- Try
- S(C);
- Threat
- P(A)
- Vars
- R(a);N_GUARD::QAB1(F),XQ(f)
- S(b);S_CUTR(a)::QAB1(F),XQ(f)
- Refutation
- R(a);
- Try
- S(C);N_SPINQ(F),XQ(f)
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,P_PINQ(F),P_SPINR(a),XS(C)::QAB1(F),XR(a)
- Refutation
- B(h);XB(G)
- Try
- B(D);
- Threat
- P(A)
- Vars
- R(a);N_GUARD::QAB1(F),XQ(f)
- S(b);S_CUTR(a)::QAB1(F),XQ(f)
- Refutation
- R(a);
- Try
- B(D);N_SPINQ(F)
- Threat
- QAR2(F)
- Vars
- R(a);N_GUARD::QAR(F)
- Refutation
- K(d);N_SPINQ(f),P-FLIGHT
- Try
- B(G);CHECK,N_SPINQ(F),XQ(f)
- Vars
- B(h);XB(G)::QAR2(F)
- Refutation
- R(a);P_PINQ(F),XB(G)
- Try
- R(E);XP(g)
- Threat
- R(E)
- Vars
- K(d);N_SPINQ(f),P-FLIGHT::R1(E)
- K(d);P-FLIGHT::QAR1(F),XQ(f)
- Refutation
- R(a);
- Try
- Actual
- R(E);N_SPINQ(F)
- Threat
- QAR2(F)
- Vars
- K(d);N_SPINQ(f),P-FLIGHT::QAR1(F)
- K(d);P-FLIGHT::QAR(F)
- R(a);N_GUARD::QAR(F)
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).