MESON Chess Problem Database
Problem Display
PID: 147618 (8/1QpK3p/2Pp1b2/1P1kp1nR/1R6/3NP2p/6q1/7B w - - 0 1)
Weenink, Henri Gerard Maria
2nd HM., Western Morning News and Mercury, 1921
#2
9 + 9
| 16055 | HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) | 1932 |
| 14868 | Pirnie Collection | 2013 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.e4#
- 1...Se4
- 2.Rd4#
- 1...Sf7
- 2.Rd4#
- 1...Sf3
- Tries
- 1.Bxg2+?
- 1...Sf3
- 2.Bxf3#
- 2.Rd4#
- 2.e4#
- 1...Se4
- 2.Bxe4#
- 2.Rd4#
- 1...e4
- 2.Bxe4#
- 1...hxg2!
- 1...Sf3
- 1.Qa6?
- threat
- 2.Qa2#
- 1...Sf3
- 2.e4#
- 1...Se4
- 2.Rd4#
- 1...e4!
- threat
- 1.Qa7?
- threat
- 2.Qa2#
- 1...Sf3
- 2.Sf4#
- 2.e4#
- 1...Se4
- 2.Sf4#
- 2.Rd4#
- 2.Qd4#
- 1...e4!
- threat
- 1.Qxc7?
- threat
- 2.Qxd6#
- 1...Se4
- 2.Rd4#
- 1...Sf7
- 2.Rd4#
- 1...Be7!
- threat
- 1.Bxg2+?
- Keys
- 1.Qa8!
- threat
- 2.Qa2#
- 1...Sf3
- 2.e4#
- 1...Se4
- 2.Rd4#
- 1...e4
- 2.Qg8#
- threat
- 1.Qa8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(e);N_GUARD,N_SPINQ(a),P_SPINP(d),S_CUTQ(a)::P(C)
- S(e);N_SPINQ(a),P_SPINP(d)::R1(D)
- S(e);P_SPINP(d)::R1(D)
- Tries
- Try
- B(A);CHECK,XQ(a)
- Vars
- P(d);P_SPINP(d),P_SPINS(e)::B(A),XP(d)
- Refutation
- P(b);XB(A)
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- S(e);N_GUARD,N_SPINQ(a),P_SPINP(d),S_CUTQ(a)::P(C)
- S(e);N_SPINQ(a),P_SPINP(d)::R1(D)
- Refutation
- P(d);N_SPINQ(a),P_SPINS(e)
- Try
- Q(H);
- Threat
- QAB(H)
- Refutation
- P(d);N_SPINQ(a),P_SPINS(e)
- Try
- Q(H);XP(h)
- Threat
- QAR1(H),XP(f)
- Vars
- S(e);N_SPINQ(a),P_SPINP(d)::R1(D)
- S(e);P_SPINP(d)::R1(D)
- Refutation
- B(g);
- Try
- Actual
- Q(H);
- Threat
- QAB(H)
- Vars
- S(e);N_GUARD,N_SPINQ(a),P_SPINP(d),S_CUTQ(a)::P(C)
- S(e);N_SPINQ(a),P_SPINP(d)::R1(D)
- P(d);N_SPINQ(a),P_SPINS(e)::QAB(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).