MESON Chess Problem Database
Problem Display
PID: 214869 (3q3n/bpB4N/1Q6/2n2Np1/2P1k1B1/Kp5R/b4R2/4r3 w - - 0 1)
Trzesowski, Andrzej
Suomen Shakki, 1953
#2
9 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Sxf6#
- 1...Qd1
- 2.Sxg5#
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qd3
- 2.Sxg5#
- 2.Sf6#
- 1...Qd4
- 2.Sxg5#
- 1...Qd5
- 2.Sxg5#
- 2.Sf6#
- 1...Qd7
- 2.Sxg5#
- 2.Sf6#
- 1...Qa8
- 2.Sxg5#
- 2.Sf6#
- 1...Qb8
- 2.Sxg5#
- 2.Sf6#
- 1...Qc8
- 2.Sxg5#
- 2.Sf6#
- 1...Qe8
- 2.Sxg5#
- 2.Sf6#
- 1...Qf8
- 2.Sxg5#
- 1...Qg8
- 2.Sf6#
- 1...Ra1
- 2.Re2#
- 2.Re3#
- 1...Rb1
- 2.Re2#
- 2.Re3#
- 1...Rc1
- 2.Re2#
- 2.Re3#
- 1...Rd1
- 2.Re2#
- 2.Re3#
- 1...Rf1
- 2.Re2#
- 2.Re3#
- 1...Rg1
- 2.Re2#
- 2.Re3#
- 1...Rh1
- 2.Re2#
- 2.Re3#
- 1...Re2
- 2.Rxe2#
- 1...Re3
- 2.Rxe3#
- 1...Sd3
- 2.Sg3#
- 1...Sa4
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sd7
- 2.Qxb7#
- 1...Qf6
- Tries
- 1.Be2?
- threat
- 2.Re3#
- 1...Qd2
- 2.Sf6#
- 1...Qd3
- 2.Sxg5#
- 2.Sf6#
- 1...Qd4
- 2.Sxg5#
- 1...Rxe2!
- threat
- 1.Qc6+?
- 1...Qd5
- 2.Sxg5#
- 2.Sf6#
- 2.Qxd5#
- 1...bxc6!
- 1...Qd5
- 1.Qf6?
- threat
- 2.Sxg5#
- 2.Qe5#
- 1...Qxf6
- 2.Sxf6#
- 1...Qxc7
- 2.Sxg5#
- 2.Qd4#
- 1...Re3
- 2.Rxe3#
- 1...Sd3
- 2.Sxg5#
- 2.Bf3#
- 1...Qe7
- 2.Sxg5#
- 2.Qd4#
- 1...Qd2
- 2.Qe5#
- 1...Qd4
- 2.Sxg5#
- 2.Qxd4#
- 1...Qd5
- 2.Sxg5#
- 1...Qd6
- 2.Sxd6#
- 2.Sxg5#
- 1...Qe8
- 2.Sd6#
- 2.Sxg5#
- 2.Qd4#
- 1...Qg8
- 2.Sd6#
- 2.Qd4#
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 2.Qxe6#
- 1...Sd7
- 2.Sd6#
- 2.Sxg5#
- 1...Sg6
- 2.Sxg5#
- 1...Sf7!
- threat
- 1.Qxb7+?
- 1...Qd5
- 2.Sxg5#
- 2.Sf6#
- 2.Qxd5#
- 1...Sxb7!
- 1...Qd5
- 1.Be2?
- Keys
- 1.Qa5!
- threat
- 2.Qxe1#
- 1...Re3
- 2.Rxe3#
- 1...Qd1
- 2.Sxg5#
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qd3
- 2.Sxg5#
- 2.Sf6#
- 1...Qd4
- 2.Sxg5#
- 1...Ra1
- 2.Re2#
- 2.Re3#
- 1...Rb1
- 2.Re2#
- 2.Re3#
- 1...Rc1
- 2.Re2#
- 2.Re3#
- 1...Rd1
- 2.Re2#
- 2.Re3#
- 1...Rf1
- 2.Re2#
- 2.Re3#
- 1...Rg1
- 2.Re2#
- 2.Re3#
- 1...Rh1
- 2.Re2#
- 2.Re3#
- 1...Re2
- 2.Rxe2#
- 1...Sd3
- 2.Bf3#
- 1...Sa4
- 2.Qe5#
- 1...Sa6
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...Sd7
- 2.Qd5#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(i);N_GUARD::S(I),XQ(i)
- Q(i);N_GUARD::S(I)
- Q(i);N_GUARD::S(I),XP(f)
- R(a);N_GUARD::R(A),XR(a)
- R(a);N_GUARD::R1(C),XR(a)
- S(e);SBLOCK::S(F)
- S(e);N_GUARD::QAR2(G)
- S(e);N_GUARD::QAR2(G),XS(e)
- S(e);N_GUARD,S_CUTQ(i)::QAB(G),XP(h)
- Tries
- Try
- B(E);
- Threat
- R1(C)
- Vars
- Q(i);N_GUARD::S(I)
- Q(i);N_GUARD::S(I),XP(f)
- Refutation
- R(a);XB(E)
- Try
- Q(G);CHECK
- Refutation
- P(h);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(i);XQ(G)::S(I),XQ(i)
- R(a);N_GUARD::R1(C),XR(a)
- Q(i);::QAR1(G)
- Q(i);::S(I),XP(f)
- S(j);::S(I),XP(f)
- Refutation
- S(j);
- Try
- Q(G);CHECK,XP(h)
- Refutation
- S(e);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAR(G),XR(a)
- Vars
- R(a);N_GUARD::R1(C),XR(a)
- Q(i);N_GUARD::S(I)
- Q(i);N_GUARD::S(I),XP(f)
- R(a);N_GUARD::R(A),XR(a)
- S(e);SBLOCK::B(E)
- S(e);OGATE::QAR1(G)
- S(e);OGATE::QAB1(G)
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).