MESON Chess Problem Database
Problem Display
PID: 274543 (2B5/r2p4/nR5K/b7/3p1B2/2Qp2R1/7k/qb5r w - - 0 1)
Easter, Norris
The Problemist, 1933
#2
6 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxb6
- 2.Qd2#
- 1...Sb4
- 2.Qd2#
- 1...d2
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...d5
- 2.Rg5#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...d6
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...Bxb6
- Tries
- 1.Kg5?
- threat
- 2.Rh6#
- 1...Bxb6
- 2.Qd2#
- 1...d6!
- threat
- 1.Rb5?
- threat
- 2.Rh5#
- 1...Bd8
- 2.Qd2#
- 1...d5
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...Sc5!
- threat
- 1.Qxa5?
- threat
- 2.Qd2#
- 2.Qh5#
- 1...Rc1
- 2.Qh5#
- 1...Rd1
- 2.Qh5#
- 1...Re1
- 2.Qh5#
- 1...Rf1
- 2.Qh5#
- 1...Rg1
- 2.Qh5#
- 1...Qb2
- 2.Qh5#
- 1...Qc3
- 2.Qh5#
- 1...Qa2
- 2.Qh5#
- 1...Sb4
- 2.Qh5#
- 1...Sc5
- 2.Qd2#
- 1...d2
- 2.Qxd2#
- 2.Qh5#
- 1...d5
- 2.Rg5#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qd2#
- 1...Qxa5!
- threat
- 1.Qc5?
- threat
- 2.Qh5#
- 1...d5
- 2.Rg5#
- 2.Rgg6#
- 2.Rg7#
- 2.Rg8#
- 1...Sxc5!
- threat
- 1.Kg5?
- Keys
- 1.Kh7!
- threat
- 2.Rh6#
- 1...d2+
- 2.Rgg6#
- 1...d5+
- 2.Rg7#
- 1...d6+
- 2.Rg7#
- 1...Bxb6
- 2.Qd2#
- threat
- 1.Kh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(g);N_GUARD,XR(D)::QAR(A)
- S(h);S_CUTB(g)::QAR(A)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- R(D)
- Vars
- B(g);N_GUARD,XR(D)::QAR(A)
- Refutation
- P(j);
- Try
- R(D);
- Threat
- R(D)
- Vars
- B(g);N_GUARD::QAR(A)
- Refutation
- S(h);
- Try
- Q(A);XB(g)
- Threat
- DUALS(2)
- Vars
- R(c);::QAR(A)
- Q(a);::QAR(A)
- Q(a);SBLOCK::QAR(A)
- S(h);::QAR(A)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR(A)
- Refutation
- S(h);XQ(A)
- Try
- Actual
- K(E);P-FLIGHT
- Threat
- R(D)
- Vars
- P(e);CHECK::B(C)+R(B)
- P(j);CHECK::B(C)+R(B)
- B(g);N_GUARD,XR(D)::QAR(A)
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).