MESON Chess Problem Database
Problem Display
PID: 122364 (b1Q1NBB1/3p4/2q1r3/R3p3/P1kr2R1/1p3N2/1Pn1P3/7K w - - 0 1)
Hoek, Willem
Probleemblad, 1975
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Qxc5#
- 1...Qc7
- 2.Qa6#
- 1...Sb4
- 2.Sd6#
- 1...e4
- 2.Se5#
- 1...d5
- 2.Sd2#
- 1...Qc5
- Tries
- 1.Ba3?
- threat
- 2.Sd6#
- 1...Qc5
- 2.Rxc5#
- 2.Qxc5#
- 1...e4
- 2.Se5#
- 1...d5
- 2.Sd2#
- 1...d6
- 2.Sxd6#
- 1...Sxa3!
- threat
- 1.Bxe6+?
- 1...d5
- 2.Sd2#
- 2.Sxe5#
- 2.Bxd5#
- 1...dxe6!
- 1...d5
- 1.Rc5+?
- 1...Qxc5
- 2.Qxc5#
- 1...Kb4!
- 1...Qxc5
- 1.Qa6+?
- 1...Qb5
- 2.Qxb5#
- 1...Qxa6!
- 1...Qb5
- 1.Qxc6+?
- 1...dxc6
- 2.Sd2#
- 2.Sxe5#
- 2.Bxe6#
- 1...Bxc6!
- 1...dxc6
- 1.Ba3?
- Keys
- 1.Rb5!
- threat
- 2.Sd6#
- 1...Qc5
- 2.Qxc5#
- 1...e4
- 2.Se5#
- 1...d5
- 2.Sd2#
- 1...d6
- 2.Sxd6#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(f);OGATE::QAR1(H),XQ(f)
- Q(f);N_GUARD::QAB(H)
- S(a);SBLOCK::S(I)
- P(e);N_PINS(D),N_SPINR(d),P_SPINR(g)::S(D)
- P(h);N_PINS(D)::S(D)
- Tries
- Try
- B(J);
- Threat
- S(I)
- Vars
- P(e);N_PINS(D),N_SPINR(d),P_SPINR(g)::S(D)
- P(h);N_PINS(D)::S(D)
- P(h);::S(I),XP(h)
- Refutation
- S(a);XB(J)
- Try
- B(K);CHECK,XR(g)
- Refutation
- P(h);XB(K)
- Try
- R(G);CHECK,N_PINQ(f)
- Vars
- Q(f);OGATE,P_SPINQ(f),XR(G)::QAR1(H),XQ(f)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(H);CHECK,N_PINQ(f)
- Vars
- Q(f);N_GUARD,P_SPINQ(f)::QAB1(H),XQ(f)
- Refutation
- Q(f);XQ(H)
- Try
- Q(H);CHECK,N_SPINS(D),XQ(f)
- Refutation
- B(i);P_PINS(D),XQ(H)
- Try
- Actual
- R(G);
- Threat
- S(I)
- Vars
- Q(f);OGATE::QAR1(H),XQ(f)
- P(e);N_PINS(D),N_SPINR(d),P_SPINR(g)::S(D)
- P(h);N_PINS(D)::S(D)
- P(h);::S(I),XP(h)
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).