MESON Chess Problem Database
Problem Display
PID: 96992 (bb6/q5B1/3Q4/1r4R1/2kNP1R1/2P4K/1pBP4/8 w - - 0 1)
Szoghy, Jozsef
Problem (Zagreb), 1977-1978
#2
10 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Qxd4#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb4#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.Qb4#
- 1...Rf5
- 2.Qb4#
- 1...Rxg5
- 2.Qb4#
- 1...Rb6
- 2.Rc5#
- 2.Qc5#
- 1...Rb7
- 2.Qd5#
- 2.Qe6#
- 1...Qxd4
- Tries
- 1.Se2?
- threat
- 2.Qd3#
- 2.d3#
- 1...Rxg5
- 2.Qb4#
- 1...Bxd6
- 2.d3#
- 1...Rc5
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.Qb4#
- 1...Rf5
- 2.Qb4#
- 1...Qd4
- 2.Qxd4#
- 1...Qd7
- 2.d3#
- 1...Bd5
- 2.d3#
- 1...Qe3+!
- threat
- 1.Sb3?
- threat
- 2.Qd3#
- 2.d3#
- 1...Qxg7
- 2.Qd3#
- 1...Rxg5
- 2.Qb4#
- 2.Qd3#
- 1...Bxd6
- 2.d3#
- 1...Rc5
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.Qb4#
- 2.Qd3#
- 1...Rf5
- 2.Qb4#
- 2.Qd3#
- 1...Qd4
- 2.Qxd4#
- 1...Qd7
- 2.d3#
- 1...Bd5
- 2.d3#
- 1...Qe3+!
- threat
- 1.Sf3?
- threat
- 2.Qd3#
- 2.d3#
- 1...Qxg7
- 2.Qd3#
- 1...Rxg5
- 2.Qb4#
- 1...Bxd6
- 2.d3#
- 1...Rc5
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.Qb4#
- 1...Rf5
- 2.Qb4#
- 1...Qd4
- 2.Qxd4#
- 1...Qd7
- 2.d3#
- 1...Bd5
- 2.Se5#
- 2.d3#
- 1...Qe3!
- threat
- 1.Sxb5?
- threat
- 2.Qb4#
- 2.Qd3#
- 2.d3#
- 1...Bxd6
- 2.Sxd6#
- 2.d3#
- 1...Qc5
- 2.Rxc5#
- 2.Qxc5#
- 2.Qd3#
- 1...Bd5
- 2.Qb4#
- 2.Qxd5#
- 1...b1Q
- 2.Qd3#
- 2.d3#
- 1...b1R
- 2.Qd3#
- 2.d3#
- 1...Qd4
- 2.Sa3#
- 2.Qb4#
- 2.Qxd4#
- 1...Qa3
- 2.Sxa3#
- 2.Qd3#
- 2.Qd4#
- 2.d3#
- 1...Qa4
- 2.Rc5#
- 2.Qc5#
- 2.Qd3#
- 2.Qd4#
- 2.d3#
- 1...Qa5
- 2.Rc5#
- 2.Qc5#
- 2.Qd3#
- 2.Qd4#
- 2.d3#
- 1...Qd7
- 2.Sa3#
- 2.Rc5#
- 2.Qb4#
- 2.Qc5#
- 2.d3#
- 1...Qe7
- 2.Sa3#
- 2.Rc5#
- 2.Qd3#
- 2.Qd4#
- 2.d3#
- 1...Qe3+!
- threat
- 1.Sc6?
- threat
- 2.Qd3#
- 2.d3#
- 1...Qxg7
- 2.Qd3#
- 2.e5#
- 1...Rxg5
- 2.Qb4#
- 1...Bxd6
- 2.d3#
- 1...Rc5
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 2.Qxd5#
- 1...Re5
- 2.Qb4#
- 1...Rf5
- 2.Qb4#
- 1...Qd4
- 2.Qxd4#
- 1...Qd7
- 2.d3#
- 1...Qe3+!
- threat
- 1.Se6?
- threat
- 2.Qd3#
- 2.d3#
- 1...Qxg7
- 2.Qd3#
- 1...Rxg5
- 2.Qb4#
- 2.Qd3#
- 1...Bxd6
- 2.d3#
- 1...Rc5
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.Qb4#
- 2.Qd3#
- 1...Rf5
- 2.Qb4#
- 2.Qd3#
- 1...Qd4
- 2.Qxd4#
- 1...Qd7
- 2.d3#
- 1...Bd5
- 2.d3#
- 1...Qe3+!
- threat
- 1.Se2?
- Keys
- 1.Sf5!
- threat
- 2.d3#
- 1...Qe3+
- 2.Sxe3#
- 1...Qxg7
- 2.Se3#
- 1...Rxf5
- 2.Qb4#
- 1...Bxd6
- 2.Sxd6#
- 1...Rb3
- 2.Bd3#
- 1...Rb4
- 2.Qxb4#
- 1...Ra5
- 2.Qb4#
- 1...Rc5
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.Qb4#
- 1...Rb6
- 2.Se3#
- 1...Rb7
- 2.Qd5#
- 1...Qd4
- 2.Qxd4#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- Q(d);OGATE,XS(E)::QAR1(I),XQ(d)
- R(c);N_GUARD::QAR1(I),XR(c)
- R(c);N_GUARD::QAR1(I)
- R(c);N_GUARD,XR(H)::QAR1(I)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XR(H)::QAR1(I)
- B(f);XQ(I)::P(B)
- R(c);::QAB1(I)
- R(c);N_GUARD::QAR1(I)
- Q(d);N_GUARD::QAR1(I),XQ(d)
- Q(d);P_PINR(G)::P(B)
- B(e);::P(B)
- Refutation
- Q(d);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XB(J)::QAB1(I)
- B(f);XQ(I)::P(B)
- R(c);::QAB1(I)
- R(c);N_GUARD::QAR1(I)
- Q(d);N_GUARD::QAR1(I),XQ(d)
- Q(d);P_PINR(G)::P(B)
- B(e);::P(B)
- Refutation
- Q(d);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XB(J)::QAB1(I)
- R(c);N_GUARD,XR(H)::QAR1(I)
- B(f);XQ(I)::P(B)
- R(c);::QAB1(I)
- R(c);N_GUARD::QAR1(I)
- Q(d);N_GUARD::QAR1(I),XQ(d)
- Q(d);P_PINR(G)::P(B)
- Refutation
- Q(d);P_PINS(E)
- Try
- S(E);XR(c)
- Threat
- DUALS(3)
- Refutation
- Q(d);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XR(H)::QAR1(I)
- B(f);XQ(I)::P(B)
- R(c);::QAB1(I)
- R(c);N_GUARD::QAR1(I)
- Q(d);N_GUARD::QAR1(I),XQ(d)
- Q(d);P_PINR(G)::P(B)
- Refutation
- Q(d);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XB(J)::QAB1(I)
- B(f);XQ(I)::P(B)
- R(c);::QAB1(I)
- R(c);N_GUARD::QAR1(I)
- Q(d);N_GUARD::QAR1(I),XQ(d)
- Q(d);::P(B)
- B(e);::P(B)
- Refutation
- Q(d);CHECK
- Try
- Actual
- S(E);
- Threat
- P(B)
- Vars
- Q(d);CHECK,N_GUARD::S(E),XQ(d)
- Q(d);N_GUARD,XB(J)::S(E)
- R(c);N_GUARD,XS(E)::QAR1(I)
- B(f);XQ(I)::S(E),XB(f)
- R(c);P_PINP(C),SBLOCK::B(A)
- R(c);N_GUARD::QAR1(I),XR(c)
- R(c);N_GUARD::QAR1(I)
- R(c);SBLOCK::QAB1(I)
- R(c);S_CUTQ(d)::S(E)
- R(c);N_GUARD,S_CUTB(e)::QAB1(I)
- Q(d);N_GUARD::QAR1(I),XQ(d)
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).