MESON Chess Problem Database
Problem Display
PID: 169332 (8/2PK4/3p4/1P4Qp/2RBk3/8/q7/4N3 w - - 0 1)
Muller, Dieter
3rd Comm., SuperProblem 182. TT, 2017
#2
7 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa1
- 2.Bxa1#
- 2.Bb2#
- 2.Bc3#
- 1...Qb2
- 2.Bxb2#
- 2.Bc3#
- 1...Qc2
- 2.Bc3#
- 1...Qf2
- 2.Bxf2#
- 2.Be3#
- 1...Qg2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qh2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa3
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa5
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa6
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa7
- 2.Bc5#
- 2.Bb6#
- 2.Bxa7#
- 1...Qa8
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...d5
- 2.Qe5#
- 1...Qb1
- Tries
- 1.Ke6?
- threat
- 2.Qe3#
- 2.Qh4#
- 2.Qf5#
- 1...Qb3
- 2.Qh4#
- 2.Qf5#
- 1...Qd2
- 2.Qf5#
- 1...Qe2
- 2.Qf5#
- 1...Qf2
- 2.Bxf2#
- 2.Be3#
- 1...Qg2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Be5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 2.Qe3#
- 2.Qf5#
- 1...Qh2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Be5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 2.Qe3#
- 2.Qf5#
- 1...Qa3
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Be5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 2.Qh4#
- 2.Qf5#
- 1...h4
- 2.Qe3#
- 2.Qxh4#
- 2.Qg4#
- 2.Qf5#
- 1...Qxc4+!
- threat
- 1.Qe3+?
- 1...Kd5
- 2.Qe6#
- 1...Kf5!
- 1...Kd5
- 1.Qg4+?
- 1...Kd5
- 2.Qe6#
- 1...hxg4!
- 1...Kd5
- 1.Qg6+?
- 1...Kd5
- 2.Qe6#
- 1...Kf4!
- 1...Kd5
- 1.c8Q?
- threat
- 2.Qe8#
- 1...Qa7+
- 2.Bxa7#
- 1...Qh2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa8
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qxc4!
- threat
- 1.c8S?
- threat
- 2.Sxd6#
- 1...Qa7+
- 2.Bxa7#
- 1...Qh2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa3
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa6
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...d5
- 2.Sd6#
- 2.Qe5#
- 1...Qxc4!
- threat
- 1.c8R?
- threat
- 2.Re8#
- 1...Qa7+
- 2.Bxa7#
- 1...Qh2
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qa8
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 1...Qxc4!
- threat
- 1.Ke6?
- Keys
- 1.Kxd6!
- threat
- 2.Qe5#
- 1...Qh2+
- 2.Be5#
- 1...Qa3+
- 2.Bc5#
- 1...Qa6+
- 2.Bb6#
- threat
- 1.Kxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- Q(a);N_GUARD::R(B)+B(C)
- P(d);N_GUARD::QAR1(E)
- Tries
- Try
- K(G);P_SPINR(B),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(a);N_PINR(B)::QAB1(E)
- Refutation
- Q(a);CHECK,XR(B)
- Try
- Q(E);CHECK
- Vars
- K(b);OGATE,S_FLIGHT::QAB1(E)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(E);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(E)
- Refutation
- P(c);XQ(E)
- Try
- Q(E);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(E)
- Refutation
- K(b);P-FLIGHT
- Try
- P(F);
- Threat
- QAR(F)
- Vars
- Q(a);CHECK,N_GUARD::R(B)+B(C),XQ(a)
- Refutation
- Q(a);XR(B)
- Try
- P(F);
- Threat
- S(F),XP(d)
- Vars
- Q(a);CHECK,N_GUARD::R(B)+B(C),XQ(a)
- Refutation
- Q(a);XR(B)
- Try
- P(F);
- Threat
- R(F)
- Vars
- Q(a);CHECK,N_GUARD::R(B)+B(C),XQ(a)
- Refutation
- Q(a);XR(B)
- Try
- Actual
- K(G);P-FLIGHT,XP(d)
- Threat
- QAR1(E)
- Vars
- Q(a);CHECK,N_GUARD::R(B)+B(C)
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).