MESON Chess Problem Database
Problem Display
PID: 221742 (5Q1K/4P3/6pP/4RN1p/Rq1p2k1/2b1Pb1N/5B1n/2rr1B2 w - - 0 1)
Stojnic, Dragan
SuperProblem, 2019
#2
11 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...dxe3
- 2.Sxe3#
- 1...gxf5
- 2.Qg7#
- 2.Qxf5#
- 2.Qg8#
- 1...dxe3
- Tries
- 1.Sh4?
- threat
- 2.Rg5#
- 2.Qf4#
- 2.Qc8#
- 1...Qxe7
- 2.Qf4#
- 1...Qxa4
- 2.Rg5#
- 2.Qf4#
- 1...Rxf1
- 2.Qc8#
- 1...Sxf1
- 2.Qxf3#
- 2.Qc8#
- 1...Bg2
- 2.Qc8#
- 1...Qa5
- 2.Qf4#
- 2.Qc8#
- 1...Qc5
- 2.Qf4#
- 1...Qd6
- 2.Rg5#
- 2.Qf4#
- 1...Qb1
- 2.Rg5#
- 2.Qf4#
- 1...Qb3
- 2.Rg5#
- 2.Qf4#
- 1...Qc4
- 2.Rg5#
- 2.Qf4#
- 1...Qb5
- 2.Qf4#
- 1...Qb6
- 2.Rg5#
- 2.Qf4#
- 1...Qb7
- 2.Rg5#
- 2.Qf4#
- 1...Qb8
- 2.Rg5#
- 1...Ba1
- 2.Rg5#
- 2.Qf4#
- 1...Be1
- 2.Rg5#
- 2.Qf4#
- 1...Bb2
- 2.Rg5#
- 2.Qf4#
- 1...Bd2
- 2.Rg5#
- 2.Qf4#
- 1...Be4
- 2.Rxe4#
- 2.Rg5#
- 2.Qf4#
- 1...Bd5
- 2.Rg5#
- 2.Qf4#
- 1...Bc6
- 2.Rg5#
- 2.Qf4#
- 1...Bb7
- 2.Rg5#
- 2.Qf4#
- 1...d3
- 2.Qc8#
- 1...g5
- 2.Rxg5#
- 2.Qf5#
- 2.Qc8#
- 1...dxe3!
- threat
- 1.Sd6?
- threat
- 2.Rg5#
- 2.Qf4#
- 2.Qc8#
- 1...Qxd6
- 2.Rg5#
- 2.Qf4#
- 1...Qxa4
- 2.Rg5#
- 2.Qf4#
- 1...Rxf1
- 2.Qc8#
- 1...Sxf1
- 2.Qc8#
- 1...dxe3
- 2.Qc8#
- 1...Qa5
- 2.Qf4#
- 2.Qc8#
- 1...Qc5
- 2.Qf4#
- 1...Qb1
- 2.Rg5#
- 2.Qf4#
- 1...Qb3
- 2.Rg5#
- 2.Qf4#
- 1...Qc4
- 2.Rg5#
- 2.Qf4#
- 1...Qb5
- 2.Qf4#
- 1...Qb7
- 2.Rg5#
- 2.Qf4#
- 1...Qb8
- 2.Rg5#
- 1...Ba1
- 2.Rg5#
- 2.Qf4#
- 1...Be1
- 2.Rg5#
- 2.Qf4#
- 1...Bb2
- 2.Rg5#
- 2.Qf4#
- 1...Bd2
- 2.Rg5#
- 2.Qf4#
- 1...Bh1
- 2.Rg5#
- 2.Qf4#
- 1...Be2
- 2.Re4#
- 2.Rg5#
- 2.Qf4#
- 1...Be4
- 2.Rxe4#
- 2.Rg5#
- 2.Qf4#
- 1...Bd5
- 2.Rg5#
- 2.Qf4#
- 1...Bc6
- 2.Rg5#
- 2.Qf4#
- 1...Bb7
- 2.Rg5#
- 2.Qf4#
- 1...Ba8
- 2.Rg5#
- 2.Qf4#
- 1...d3
- 2.Qc8#
- 1...g5
- 2.Rxg5#
- 2.Qf5#
- 2.Qc8#
- 1...Bg2!
- threat
- 1.Sg7?
- threat
- 2.Rg5#
- 2.Qf4#
- 2.Qc8#
- 1...Qxe7
- 2.Qf4#
- 1...Qxa4
- 2.Rg5#
- 2.Qf4#
- 1...Rxf1
- 2.Qc8#
- 1...Sxf1
- 2.Qc8#
- 1...dxe3
- 2.Rg5#
- 1...Qa5
- 2.Qf4#
- 2.Qc8#
- 1...Qc5
- 2.Qf4#
- 1...Qd6
- 2.Rg5#
- 2.Qf4#
- 1...Qb1
- 2.Rg5#
- 2.Qf4#
- 1...Qb3
- 2.Rg5#
- 2.Qf4#
- 1...Qc4
- 2.Rg5#
- 2.Qf4#
- 1...Qb5
- 2.Qf4#
- 1...Qb6
- 2.Rg5#
- 2.Qf4#
- 1...Qb7
- 2.Rg5#
- 2.Qf4#
- 1...Qb8
- 2.Rg5#
- 1...Ba1
- 2.Rg5#
- 2.Qf4#
- 1...Be1
- 2.Rg5#
- 2.Qf4#
- 1...Bb2
- 2.Rg5#
- 2.Qf4#
- 1...Bd2
- 2.Rg5#
- 2.Qf4#
- 1...Bh1
- 2.Rg5#
- 2.Qf4#
- 1...Be2
- 2.Re4#
- 2.Rg5#
- 2.Qf4#
- 1...Be4
- 2.Rxe4#
- 2.Rg5#
- 2.Qf4#
- 1...Bd5
- 2.Rg5#
- 2.Qf4#
- 1...Bc6
- 2.Rg5#
- 2.Qf4#
- 1...Bb7
- 2.Rg5#
- 2.Qf4#
- 1...Ba8
- 2.Rg5#
- 2.Qf4#
- 1...d3
- 2.Rg5#
- 2.Qc8#
- 1...g5
- 2.Rxg5#
- 2.Qf5#
- 2.Qc8#
- 1...Bg2!
- threat
- 1.Sh4?
- Keys
- 1.Sxd4!
- threat
- 2.Rg5#
- 2.Qf4#
- 2.Qc8#
- 1...Qxe7
- 2.Qf4#
- 1...Qxa4
- 2.Rg5#
- 2.Qf4#
- 1...Qxd4
- 2.Qc8#
- 1...Rxf1
- 2.Qc8#
- 1...Rxd4
- 2.Rg5#
- 1...Bxd4
- 2.Qf4#
- 1...Sxf1
- 2.Qxf3#
- 2.Qc8#
- 1...Bg2
- 2.Qc8#
- 1...Qa5
- 2.Qf4#
- 2.Qc8#
- 1...Qc5
- 2.Qf4#
- 1...Qd6
- 2.Rg5#
- 2.Qf4#
- 1...Qb1
- 2.Rg5#
- 2.Qf4#
- 1...Qb3
- 2.Rg5#
- 2.Qf4#
- 1...Qc4
- 2.Rg5#
- 2.Qf4#
- 1...Qb5
- 2.Qf4#
- 1...Qb6
- 2.Rg5#
- 2.Qf4#
- 1...Qb7
- 2.Rg5#
- 2.Qf4#
- 1...Qb8
- 2.Rg5#
- 1...Ba1
- 2.Rg5#
- 2.Qf4#
- 1...Be1
- 2.Rg5#
- 2.Qf4#
- 1...Bb2
- 2.Rg5#
- 2.Qf4#
- 1...Bd2
- 2.Rg5#
- 2.Qf4#
- 1...Be4
- 2.Rxe4#
- 2.Rg5#
- 2.Qf4#
- 1...Bd5
- 2.Rg5#
- 2.Qf4#
- 1...Bc6
- 2.Rg5#
- 2.Qf4#
- 1...Bb7
- 2.Rg5#
- 2.Qf4#
- 1...g5
- 2.Rxg5#
- 2.Qf5#
- 2.Qc8#
- threat
- 1.Sxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- P(g);P_PINR(F),P_SPINQ(f),XP(C)::S(G),XP(g)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(f);P_SPINP(g),XP(I)::QAR1(J)
- R(b);XB(A)::QAB(J)
- B(e);::QAB(J)
- Q(f);P_SPINP(g)::QAR1(J)
- Q(f);P_PINQ(J),P_SPINP(g)::R1(F)
- P(g);P_PINR(F),P_SPINQ(f)::QAB(J)
- Refutation
- P(g);P_PINR(F),P_SPINQ(f),XP(C)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(b);XB(A)::QAB(J)
- S(c);XB(A)::QAB(J)
- P(g);P_PINR(F),P_SPINQ(f),XP(C)::QAB(J)
- Q(f);P_SPINP(g)::QAR1(J)
- Q(f);P_PINQ(J),P_SPINP(g)::R1(F)
- P(g);P_PINR(F),P_SPINQ(f)::QAB(J)
- Refutation
- B(e);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(f);P_SPINP(g),XP(I)::QAR1(J)
- R(b);XB(A)::QAB(J)
- S(c);XB(A)::QAB(J)
- P(g);P_SPINQ(f),XP(C)::R1(F)
- Q(f);P_SPINP(g)::QAR1(J)
- Q(f);P_PINQ(J),P_SPINP(g)::R1(F)
- Refutation
- B(e);
- Try
- Actual
- S(G);XP(g)
- Threat
- DUALS(3)
- Vars
- Q(f);XP(I)::QAR1(J)
- Q(f);P_PINR(F),P_SPINQ(f),XS(G)::QAB(J)
- R(b);XB(A)::QAB(J)
- R(b);XS(G)::R1(F)
- B(d);P_PINR(F),XS(G)::QAR1(J)
- B(e);::QAB(J)
- Q(f);::QAR1(J)
- Q(f);P_PINQ(J)::R1(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).