MESON Chess Problem Database
Problem Display
PID: 221330 (BK2n2b/R1p5/R2p4/1Q2pN2/5pN1/3P4/2p2Bp1/1b5k w - - 0 1)
Bowell, Gerald P
The Problemist, 1944
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...f3
- 2.Sg3#
- 1...d5
- 2.Rh6#
- 1...c5
- 2.Rh7#
- 1...c6
- 2.Rh7#
- 1...f3
- Tries
- 1.Qc6?
- threat
- 2.Qxg2#
- 1...f3
- 2.Sg3#
- 1...d5
- 2.Qh6#
- 1...e4!
- threat
- 1.Qxe8?
- threat
- 2.Qh5#
- 2.Qxh8#
- 1...Bg7
- 2.Qh5#
- 1...Bf6!
- threat
- 1.Qd5?
- threat
- 2.Qxg2#
- 1...f3
- 2.Sg3#
- 1...c6
- 2.Rh7#
- 1...e4!
- threat
- 1.Qxe5?
- threat
- 2.Qxh8#
- 2.Qe1#
- 1...dxe5
- 2.Rh6#
- 1...c1Q
- 2.Qxh8#
- 1...c1R
- 2.Qxh8#
- 1...Bf6
- 2.Qe1#
- 1...Bg7
- 2.Qe1#
- 1...Sf6
- 2.Qe1#
- 1...Sg7
- 2.Qe1#
- 1...f3
- 2.Sg3#
- 2.Qh2#
- 2.Qxh8#
- 1...d5
- 2.Rh6#
- 2.Qxh8#
- 1...c6
- 2.Rh7#
- 2.Qxh8#
- 1...Bxe5!
- threat
- 1.Qb7?
- threat
- 2.Qxg2#
- 1...f3
- 2.Sg3#
- 1...d5
- 2.Rh6#
- 1...c6
- 2.Qh7#
- 1...e4!
- threat
- 1.Qc6?
- Keys
- 1.Qb2!
- threat
- 2.Qc1#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...f3
- 2.Sg3#
- 1...e4
- 2.Qxh8#
- 1...d5
- 2.Rh6#
- 1...c6
- 2.Rh7#
- threat
- 1.Qb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- P(e);N_GUARD,N_SPINP(d)::S(E)
- P(g);N_SPINP(d),OGATE::R(F)
- P(h);OGATE::R(G)
- P(h);N_SPINP(d),OGATE::R(G)
- Tries
- Try
- Q(D);
- Threat
- QAB1(D),XP(d)
- Vars
- P(e);N_GUARD,N_SPINP(d)::S(E)
- P(g);N_SPINP(d),OGATE::QAR(D)
- Refutation
- P(f);N_SPINP(d)
- Try
- Q(D);XS(i)
- Threat
- DUALS(2)
- Vars
- B(j);::QAR(D)
- Refutation
- B(j);
- Try
- Q(D);
- Threat
- QAB1(D),XP(d)
- Vars
- P(e);N_GUARD,N_SPINP(d)::S(E)
- P(h);OGATE::R(G)
- Refutation
- P(f);N_SPINP(d)
- Try
- Q(D);XP(f)
- Threat
- DUALS(2)
- Vars
- P(g);OGATE,XQ(D)::R(F)
- P(c);::QAB(D),XB(j)
- B(j);::QAR(D)
- S(i);::QAR(D)
- Refutation
- B(j);XQ(D)
- Try
- Q(D);
- Threat
- QAB1(D),XP(d)
- Vars
- P(e);N_GUARD,N_SPINP(d)::S(E)
- P(g);N_SPINP(d),OGATE::R(F)
- P(h);N_SPINP(d),OGATE::QAR(D)
- Refutation
- P(f);N_SPINP(d)
- Try
- Actual
- Q(D);
- Threat
- QAR(D)
- Vars
- P(c);::QAR(D),XQ(c)
- P(c);::QAR(D),XS(c)
- P(c);::QAR(D),XB(c)
- P(c);::QAR(D),XR(c)
- P(e);N_GUARD,N_SPINP(d)::S(E)
- P(f);N_SPINP(d),OGATE::QAB(D),XB(j)
- P(g);N_SPINP(d),OGATE::R(F)
- P(h);N_SPINP(d),OGATE::R(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).