MESON Chess Problem Database
Problem Display
PID: 245733 (8/8/3p4/2N2p2/2p1Pqr1/5bb1/1R1Pk3/1BK3Q1 w - - 0 1)
Wrobel, Marian
Brisbane Courier, 1928
#2
7 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2+
- 2.Rxd2#
- 1...Qe3
- 2.dxe3#
- 1...Qe5
- 2.d4#
- 1...Qxe4
- 2.d3#
- 1...Bf2
- 2.Qd1#
- 1...c3
- 2.Bd3#
- 1...Qxd2+
- Tries
- 1.Sb3?
- threat
- 2.Sd4#
- 1...Qxd2+
- 2.Rxd2#
- 1...Qxe4
- 2.d3#
- 1...Qe3
- 2.dxe3#
- 1...Qe5
- 2.d4#
- 1...Bf2
- 2.Qd1#
- 1...cxb3!
- threat
- 1.Sd3?
- threat
- 2.Qd1#
- 1...Qxd2+
- 2.Rxd2#
- 1...Be1
- 2.Qxe1#
- 1...cxd3!
- threat
- 1.Sb3?
- Keys
- 1.Se6!
- threat
- 2.Sd4#
- 1...Qxd2+
- 2.Rxd2#
- 1...Qxe4
- 2.d3#
- 1...Qe3
- 2.dxe3#
- 1...Qe5
- 2.d4#
- 1...Bf2
- 2.Qd1#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(e);CHECK,OGATE,P_SPINQ(e),XP(E)::R1(D),XQ(e)
- Q(e);::R(D)+P(E),XQ(e)
- Q(e);N_PINP(E)::R(D)+P(E)
- Q(e);N_PINP(E),XP(F)::R(D)+P(E)
- B(c);SBLOCK::QAB1(C)
- P(d);N_GUARD::B(A)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XP(E)::R1(D),XQ(e)
- Q(e);N_PINP(E),XP(F)::R(D)+P(E)
- Q(e);::R(D)+P(E),XQ(e)
- Q(e);N_PINP(E)::R(D)+P(E)
- B(c);SBLOCK::QAB1(C)
- Refutation
- P(d);XS(G)
- Try
- S(G);
- Threat
- QAB1(C)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XP(E)::R1(D),XQ(e)
- B(c);N_GUARD::QAR1(C),XB(c)
- Refutation
- P(d);XS(G)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XP(E)::R1(D),XQ(e)
- Q(e);N_PINP(E),XP(F)::R(D)+P(E)
- Q(e);::R(D)+P(E),XQ(e)
- Q(e);N_PINP(E)::R(D)+P(E)
- B(c);SBLOCK::QAB1(C)
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).