MESON Chess Problem Database
Problem Display
PID: 273187 (b2R4/b3Kp2/8/1Qn1k3/5pP1/2P1r3/3N4/4R3 w - - 0 1)
Kiss, Janos
Probleemblad, 1952
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Sf3#
- 2.Sc4#
- 1...Bb8
- 2.Qxb8#
- 1...Be4
- 2.Sc4#
- 1...Re4
- Tries
- 1.Rxe3+?
- 1...Be4
- 2.Sf3#
- 2.Sc4#
- 2.Rxe4#
- 1...fxe3!
- 1...Be4
- 1.Qd3?
- threat
- 2.Sc4#
- 2.Qf5#
- 2.Qd4#
- 2.Qd6#
- 1...f3
- 2.Qf5#
- 2.Qd4#
- 2.Qd6#
- 1...Re4
- 2.Sf3#
- 2.Sc4#
- 2.Qd4#
- 2.Qd6#
- 1...Bb8
- 2.Sc4#
- 2.Qf5#
- 2.Qd4#
- 1...Be4
- 2.Sc4#
- 2.Qd4#
- 2.Qd6#
- 1...Bd5
- 2.Rxd5#
- 2.Qf5#
- 2.Qd4#
- 2.Qxd5#
- 1...Sb3
- 2.Sc4#
- 2.Qf5#
- 2.Qd6#
- 1...Sa4
- 2.Sc4#
- 2.Qf5#
- 2.Qd6#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 2.Qf5#
- 2.Qd6#
- 1...Se6
- 2.Sc4#
- 2.Qf5#
- 2.Qd6#
- 1...Sb7
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qf5#
- 2.Qd5#
- 1...Sd7
- 2.Sc4#
- 2.Qf5#
- 2.Qd6#
- 1...f5
- 2.Sc4#
- 2.Qxf5#
- 2.Qd4#
- 2.Qd6#
- 1...Sxd3!
- threat
- 1.Qc6?
- threat
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qd6#
- 2.Qf6#
- 2.Qc7#
- 1...f3
- 2.Qd6#
- 2.Qf6#
- 2.Qc7#
- 1...Bb6
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qd6#
- 2.Qf6#
- 1...Bb8
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qf6#
- 1...Se4
- 2.Sc4#
- 2.Rd5#
- 1...Sa6
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qd6#
- 2.Qf6#
- 1...Se6
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qd6#
- 1...Sb7
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qd5#
- 2.Qf6#
- 1...Sd7
- 2.Sf3#
- 2.Sc4#
- 2.Qd6#
- 1...f6
- 2.Sf3#
- 2.Sc4#
- 2.Rd5#
- 2.Qd6#
- 2.Qxf6#
- 2.Qc7#
- 1...Bxc6!
- threat
- 1.Qd7?
- threat
- 2.Qf5#
- 2.Qd4#
- 2.Qd6#
- 2.Qc7#
- 1...Bb6
- 2.Qf5#
- 2.Qd4#
- 2.Qd6#
- 1...Bb8
- 2.Qf5#
- 2.Qd4#
- 1...Be4
- 2.Sc4#
- 2.Qd4#
- 2.Qd6#
- 2.Qc7#
- 1...Bd5
- 2.Qf5#
- 2.Qxd5#
- 2.Qd6#
- 2.Qc7#
- 1...Sb3
- 2.Qf5#
- 2.Qd6#
- 2.Qc7#
- 1...Sd3
- 2.Qf5#
- 2.Qd6#
- 2.Qc7#
- 1...Sa4
- 2.Qf5#
- 2.Qd6#
- 2.Qc7#
- 1...Se4
- 2.Sc4#
- 2.Qf5#
- 1...Sa6
- 2.Qf5#
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sb7
- 2.Qf5#
- 2.Qd5#
- 1...f5
- 2.Qxf5#
- 2.Qd4#
- 2.Qd6#
- 2.Qc7#
- 1...Sxd7!
- threat
- 1.Qb1?
- threat
- 2.Sc4#
- 2.Qf5#
- 1...Sd7
- 2.Qf5#
- 1...f3
- 2.Qf5#
- 1...Re4
- 2.Sf3#
- 2.Sc4#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Qf5#
- 1...Se4
- 2.Sc4#
- 1...f5
- 2.Sc4#
- 2.Qxf5#
- 1...Sd3!
- threat
- 1.Qxc5+?
- 1...Bd5
- 2.Rxd5#
- 2.Qd6#
- 2.Qxd5#
- 2.Qc7#
- 1...Bxc5+!
- 1...Bd5
- 1.Qb6?
- threat
- 2.Qc7#
- 2.Qd6#
- 2.Qf6#
- 1...Sd7
- 2.Qd6#
- 1...Bb8
- 2.Qf6#
- 2.Qxb8#
- 1...Bc6
- 2.Qc7#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Qd6#
- 2.Qf6#
- 1...Se6
- 2.Qd6#
- 1...Sb7
- 2.Qf6#
- 1...f6
- 2.Qc7#
- 2.Qd6#
- 2.Qxf6#
- 1...Bxb6!
- threat
- 1.Rxe3+?
- Keys
- 1.Qb4!
- threat
- 2.Qd4#
- 1...Sd7
- 2.Qd6#
- 1...Sb3
- 2.Qd6#
- 1...Sd3
- 2.Qd6#
- 1...Sa4
- 2.Qd6#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sb7
- 2.Sf3#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- B(e);N_GUARD::QAB(E),XB(e)
- B(g);N_SPINR(a),SBLOCK::S(B)
- Tries
- Try
- R(A);CHECK,XR(a)
- Refutation
- P(b);XR(A)
- Try
- Q(E);N_PINS(c)
- Threat
- DUALS(4)
- Vars
- S(c);N_SPINR(a)::S(B)
- Refutation
- S(c);XQ(E)
- Try
- Q(E);N_PINS(c)
- Threat
- DUALS(6)
- Refutation
- B(g);XQ(E)
- Try
- Q(E);N_PINS(c)
- Threat
- DUALS(4)
- Vars
- S(c);::QAB1(E)
- Refutation
- S(c);XQ(E)
- Try
- Q(E);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- S(c);::QAR1(E)
- P(b);::QAR1(E)
- B(g);N_SPINR(a)::S(B)
- B(g);::QAR1(E)
- S(c);N_SPINR(a)::S(B)
- Refutation
- S(c);
- Try
- Q(E);CHECK,XS(c)
- Refutation
- B(e);CHECK,XQ(E)
- Try
- Q(E);N_PINS(c)
- Threat
- DUALS(3)
- Vars
- S(c);::QAB1(E)
- B(g);::QAB(E)
- S(c);N_SPINR(a),SBLOCK::S(B)
- Refutation
- B(e);XQ(E)
- Try
- Actual
- Q(E);N_PINS(c)
- Threat
- QAB1(E)
- Vars
- S(c);OGATE::QAB1(E)
- S(c);N_SPINR(a),SBLOCK::S(B)
- S(c);S_CUTB(g)::S(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).