MESON Chess Problem Database
Problem Display
PID: 99330 (5Q2/3B2K1/8/p2kP3/P3n2R/BPn5/2P5/4R3 w - - 0 1)
Orban, Tibor
Magyar Sakkelet, 1977
#2
10 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qc5#
- 1...Kxe5
- 2.Qd6#
- 1...Sd2
- 2.Qc5#
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 1...Sf2
- 2.Qc5#
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 1...Sg3
- 2.Qc5#
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 1...Sc5
- 2.Qxc5#
- 2.Qd6#
- 1...Sg5
- 2.Qc5#
- 2.Qd6#
- 2.Qa8#
- 1...Sd6
- 2.Qxd6#
- 1...Sf6
- 2.Qc5#
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 1...Kd4
- Tries
- 1.Rd1+?
- 1...Kxe5
- 2.Qe7#
- 2.Qf4#
- 2.Qf5#
- 2.Qe8#
- 1...Sd2
- 2.Qc5#
- 2.Qd6#
- 1...Sxd1!
- 1...Kxe5
- 1.Rexe4?
- threat
- 2.Qc5#
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 1...Sxa4
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 2.c4#
- 1...Sb5
- 2.Qc5#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 2.c4#
- 1...Sxe4!
- threat
- 1.Rhxe4?
- threat
- 2.Qc5#
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 1...Sxa4
- 2.Qd6#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 2.c4#
- 1...Se2
- 2.Qa8#
- 1...Sb5
- 2.Qc5#
- 2.Qf7#
- 2.Qa8#
- 2.Qg8#
- 2.c4#
- 1...Sxe4!
- threat
- 1.Qb4?
- 1...Kxe5
- 2.Qd6#
- 1...Sxa4
- 2.Qxe4#
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd2
- 2.Rd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qd4#
- 2.Qb7#
- 1...Sf2
- 2.Rd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 2.Qb7#
- 1...Sg3
- 2.Rd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 2.Qb7#
- 1...Sc5
- 2.Rd4#
- 2.Qxc5#
- 2.Qc4#
- 2.Qd4#
- 1...Sg5
- 2.Rd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 2.Qb7#
- 1...Sd6
- 2.Rd4#
- 2.Qc5#
- 2.Qxd6#
- 2.Qd4#
- 1...Sf6
- 2.Rd4#
- 2.Qc5#
- 2.Qd6#
- 2.Qc4#
- 2.Qd4#
- 2.Qb7#
- 1...axb4!
- 1...Kxe5
- 1.Qf4?
- 1...Sxa4
- 2.Qxe4#
- 1...Sb1
- 2.Qxe4#
- 1...Sd1
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Se2
- 2.Qxe4#
- 1...Sb5
- 2.Qxe4#
- 1...Sd2
- 2.Qxd2#
- 2.Qd4#
- 2.Qf7#
- 1...Sf2
- 2.Qc4#
- 2.Qd4#
- 2.Qf7#
- 1...Sg3
- 2.Qd2#
- 2.Qc4#
- 2.Qd4#
- 2.Qf7#
- 1...Sc5
- 2.Qc4#
- 2.Qd4#
- 1...Sg5
- 2.Qd2#
- 2.Qc4#
- 2.Qd4#
- 1...Sd6
- 2.Qd2#
- 2.Qd4#
- 1...Sf6
- 2.Qd2#
- 2.Qc4#
- 2.Qd4#
- 1...Kd4!
- 1...Sxa4
- 1.Rd1+?
- Keys
- 1.Bb2!
- 1...Kd4
- 2.Qd6#
- 1...Kxe5
- 2.Qc5#
- 1...Sxa4
- 2.c4#
- 1...Sb1
- 2.c4#
- 1...Sd1
- 2.c4#
- 1...Sa2
- 2.c4#
- 1...Se2
- 2.c4#
- 1...Sb5
- 2.c4#
- 1...Sd2
- 2.Qd6#
- 1...Sf2
- 2.Qd6#
- 1...Sg3
- 2.Qd6#
- 1...Sc5
- 2.Qd6#
- 1...Sg5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sf6
- 2.Qd6#
- 1...Kd4
- 1.Bb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- K(d);P-FLIGHT,P_SPINS(b)::QAB1(J)
- K(d);P-FLIGHT,P_SPINS(b),XP(G)::QAB1(J)
- S(b);N_GUARD::QAR1(J),XS(b)
- Tries
- Try
- R(A);CHECK
- Refutation
- S(a);XR(A)
- Try
- R(A);XS(b)
- Threat
- DUALS(5)
- Refutation
- S(a);XR(A)
- Try
- R(F);XS(b)
- Threat
- DUALS(5)
- Vars
- S(a);::QAB(J)
- Refutation
- S(a);XR(F)
- Try
- Q(J);
- Vars
- K(d);P-FLIGHT,P_SPINS(b),XP(G)::QAB1(J)
- S(a);N_GUARD,XP(E)::QAB1(J),XS(b)
- S(a);N_GUARD::QAB1(J),XS(b)
- Refutation
- P(c);XQ(J)
- Try
- Q(J);
- Vars
- S(a);N_GUARD,XP(E)::QAB1(J),XS(b)
- S(a);N_GUARD::QAB1(J),XS(b)
- Refutation
- K(d);P-FLIGHT,P_SPINS(b)
- Try
- Actual
- B(C);
- Vars
- K(d);P-FLIGHT,P_SPINS(a)::QAR2(J)
- K(d);P-FLIGHT,P_SPINS(a),XP(G)::QAR2(J)
- S(a);OGATE,XP(E)::P(B)
- S(a);OGATE::P(B)
- S(b);N_GUARD::QAR1(J)
- S(b);N_GUARD::QAR1(J),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).