MESON Chess Problem Database
Problem Display
PID: 11318 (n2R2b1/B6B/QnKb1Rr1/3p2P1/p2kP1N1/1PN2P2/1PrP4/8 w - - 0 1)
Boorer, PA
Chess, 1938
#2
14 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Se2#
- 1...Rxc3+
- 2.bxc3#
- 2.dxc3#
- 1...Bh2
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bg3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bf4
- 2.Qc4#
- 1...Bc5
- 2.Se2#
- 1...Be5
- 2.Qc4#
- 1...Bc7
- 2.Qc4#
- 1...Be7
- 2.Qc4#
- 1...Bb8
- 2.Qc4#
- 1...Bf8
- 2.Qc4#
- 1...Rxb2
- Tries
- 1.Bxb6+?
- 1...Bc5
- 2.Se2#
- 2.Bxc5#
- 2.Qc4#
- 1...Sxb6!
- 1...Bc5
- 1.Rdxd6?
- threat
- 2.Qc4#
- 1...Rxc3+
- 2.bxc3#
- 2.dxc3#
- 1...axb3!
- threat
- 1.Qe2?
- threat
- 2.Qe3#
- 1...Rxc3+
- 2.bxc3#
- 2.dxc3#
- 1...Bf4
- 2.Qc4#
- 1...axb3!
- threat
- 1.Bxb6+?
- Keys
- 1.e5!
- threat
- 2.Rf4#
- 1...Rxc3+
- 2.bxc3#
- 2.dxc3#
- 1...Rxf6
- 2.Qd3#
- 1...Bxe5
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bc5
- 2.Se2#
- 1...Bc7
- 2.Qc4#
- 1...Be7
- 2.Qc4#
- 1...Bb8
- 2.Qc4#
- 1...Bf8
- 2.Qc4#
- threat
- 1.e5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(a);N_PINS(D),XP(A)::S(D)
- B(f);P_PINR(K),P_SPINP(d)::QAR1(I)
- B(f);N_PINS(D),N_SPINS(e),P_PINR(K),P_SPINP(d)::S(D)
- Tries
- Try
- B(L);CHECK,XS(e)
- Refutation
- S(h);XB(L)
- Try
- R(N);P_PINP(d),XB(f)
- Threat
- QAR1(I)
- Refutation
- P(b);XP(C)
- Try
- Q(I);
- Threat
- QAB1(I)
- Vars
- B(f);P_PINR(K),P_SPINP(d)::QAR1(I)
- Refutation
- P(b);XP(C)
- Try
- Actual
- P(F);
- Threat
- R(K)
- Vars
- R(g);XR(K)::QAR1(I)
- B(f);P_PINR(K),P_SPINP(d),XP(F)::QAR1(I)
- B(f);P_PINR(K),P_SPINP(d)::QAR1(I)
- B(f);N_PINS(D),N_SPINS(e),P_PINR(K),P_SPINP(d)::S(D)
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).