MESON Chess Problem Database
Problem Display
PID: 276564 (k7/2Bp4/1P1N4/2Q4r/1p1P4/2p2q2/b4bR1/K2n3B w - - 0 1)
Lipton, Michael
Thema Danicum, 1978
#2
8 + 9
| 3713 | Snap | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Rg8#
- 2.b7#
- 1...Qg4
- 2.b7#
- 1...Qd5
- 2.Rg8#
- 1...Qd3
- 2.Rg8#
- 2.b7#
- 1...Qe3
- 2.Rg8#
- 2.b7#
- 1...Qg3
- 2.b7#
- 1...Qh3
- 2.Rg8#
- 2.b7#
- 1...Qf4
- 2.Rg8#
- 2.b7#
- 1...Qf5
- 2.Rg8#
- 2.b7#
- 1...Qf6
- 2.Rg8#
- 2.b7#
- 1...Qf7
- 2.Rg8#
- 2.b7#
- 1...Qf8
- 2.b7#
- 1...Rxh1
- 2.Qa5#
- 1...Rh2
- 2.Qa5#
- 1...Rh3
- 2.Qa5#
- 1...Rh4
- 2.Qa5#
- 1...Rd5
- 2.b7#
- 1...Rh6
- 2.Qa5#
- 1...Rh7
- 2.Qa5#
- 1...Rh8
- 2.Qa5#
- 1...Bb1
- 2.Rg8#
- 1...Bd5
- 2.Qa5#
- 1...Bg8
- 2.Rxg8#
- 1...Be1
- 2.Rxa2#
- 1...Bg1
- 2.Rxa2#
- 1...Be3
- 2.Rxa2#
- 1...Bg3
- 2.Rxa2#
- 1...Bxd4
- 2.Rxa2#
- 1...Bh4
- 2.Rxa2#
- 1...b3
- 2.Rg8#
- 1...Qe2
- Tries
- 1.Qc4?
- threat
- 2.Rg8#
- 2.Qa6#
- 1...Qxg2
- 2.Qa6#
- 1...Rxh1
- 2.Qxa2#
- 2.Qa6#
- 1...Qe2
- 2.Rg8#
- 1...Qg4
- 2.Qa6#
- 1...Qb7
- 2.Rg8#
- 1...Qd3
- 2.Rg8#
- 1...Qg3
- 2.Qa6#
- 1...Qf8
- 2.Qa6#
- 1...Ra5
- 2.Rg8#
- 1...Rb5
- 2.Rg8#
- 1...Rd5
- 2.Qa6#
- 1...Re5
- 2.Qa6#
- 1...Rf5
- 2.Qa6#
- 1...Rg5
- 2.Qa6#
- 1...Rh8
- 2.Qxa2#
- 2.Qa6#
- 1...Bg3
- 2.Qa6#
- 1...Bh4
- 2.Qa6#
- 1...Bxc4!
- threat
- 1.Qxh5?
- threat
- 2.Qe8#
- 2.Qa5#
- 1...Qxh5
- 2.Rg8#
- 1...Qe2
- 2.Rg8#
- 1...Qe4
- 2.Qa5#
- 1...Qd5
- 2.Rg8#
- 2.Qe8#
- 1...Qd3
- 2.Rg8#
- 2.Qe8#
- 1...Qe3
- 2.Rg8#
- 2.Qa5#
- 1...Qf5
- 2.Rg8#
- 2.Qe8#
- 1...Qf6
- 2.Rg8#
- 2.Qa5#
- 1...Qf7
- 2.Rg8#
- 2.Qa5#
- 1...Qf8
- 2.Qa5#
- 1...Bc4
- 2.Qe8#
- 1...Bd5
- 2.Qe8#
- 1...Bf7
- 2.Qa5#
- 1...Bh4
- 2.Rxa2#
- 2.Qa5#
- 1...Qb7!
- threat
- 1.Qc4?
- Keys
- 1.d5!
- threat
- 2.Qa5#
- 2.b7#
- 1...Qxd5
- 2.Rg8#
- 1...Rxd5
- 2.b7#
- 1...Bxd5
- 2.Qa5#
- 1...Bxc5
- 2.Rxa2#
- 1...Qe2
- 2.b7#
- 1...Qd3
- 2.Rg8#
- 2.b7#
- 1...Bc4
- 2.b7#
- threat
- 1.d5!
This anticipates 155365(2014)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 19
- Sets
- Q(e);N_GUARD::P(F)
- Q(e);S_CUTB(b)::R(C)
- R(g);N_GUARD,XB(B)::QAR(E)
- R(g);N_GUARD::QAR(E)
- R(g);S_CUTQ(e)::P(F)
- R(g);N_GUARD,SBLOCK::QAR(E)
- B(b);N_GUARD::R(C)
- B(b);S_CUTR(g)::QAR(E)
- B(b);N_GUARD::R(C),XB(b)
- B(c);OGATE::R(C),XB(b)
- B(c);OGATE,XP(D)::R(C),XB(b)
- P(f);S_CUTB(b)::R(C)
- Tries
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(e);P_SPINQ(e),XR(C)::QAR2(E)
- Q(e);::B(B)+R(C),DCHECK
- Q(e);::QAR2(E)
- Q(e);::R(C)
- R(g);::R(C)
- R(g);::QAR2(E)
- B(c);::QAR2(E)
- Refutation
- B(b);XQ(E)
- Try
- Q(E);XR(g)
- Threat
- DUALS(2)
- Vars
- Q(e);XQ(E)::B(B)+R(C),DCHECK
- Q(e);::B(B)+R(C),DCHECK
- Q(e);::QAR(E)
- B(b);::QAR(E)
- Refutation
- Q(e);
- Try
- Actual
- P(D);
- Threat
- DUALS(2)
- Vars
- Q(e);N_GUARD,XP(D)::R(C)
- R(g);XP(D)::P(F)
- B(b);XP(D)::QAR(E)
- B(c);OGATE,XQ(E)::R(C),XB(b)
- Q(e);::P(F)
- B(b);::P(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).