MESON Chess Problem Database
Problem Display
PID: 179124 (BK6/2Np4/1N2P3/2p2p2/Rb3pQ1/n1B1k1q1/2P1ppp1/1rnR1b2 w - - 0 1)
Eerkes, Allard Pieter
Arbeidermagasinet, 1936
#2
10 + 14
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Qf3#
- 1...Qh4
- 2.Qf3#
- 1...Qf3
- 2.Qxf3#
- 1...Bxc3
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Sa2
- 2.Rd3#
- 1...Sb3
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sxc2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sb5
- 2.Sc4#
- 1...f3
- 2.Sd5#
- 1...c4
- 2.Bd4#
- 1...Qh2
- Tries
- 1.Bd2+?
- 1...Bxd2
- 2.Sd5#
- 1...Kd4!
- 1...Bxd2
- 1.Qxg3+?
- 1...f3
- 2.Qe5#
- 2.Qxf3#
- 1...fxg3!
- 1...f3
- 1.Bd2+?
- Keys
- 1.e7!
- threat
- 2.e8Q#
- 2.e8R#
- 1...Qxg4
- 2.e8Q#
- 2.e8R#
- 1...Bxc3
- 2.Sd5#
- 1...Sxc2
- 2.Sc4#
- 2.e8Q#
- 2.e8R#
- 1...exd1Q
- 2.e8Q#
- 2.e8R#
- 1...exd1S
- 2.e8Q#
- 2.e8R#
- 1...exd1B
- 2.e8Q#
- 2.e8R#
- 1...exd1R
- 2.e8Q#
- 2.e8R#
- 1...fxg4
- 2.e8Q#
- 2.e8R#
- 1...d5
- 2.e8Q#
- 2.e8R#
- 1...e1Q
- 2.e8Q#
- 2.e8R#
- 1...e1S
- 2.e8Q#
- 2.e8R#
- 1...e1B
- 2.e8Q#
- 2.e8R#
- 1...e1R
- 2.e8Q#
- 2.e8R#
- 1...g1Q
- 2.e8Q#
- 2.e8R#
- 1...g1S
- 2.e8Q#
- 2.e8R#
- 1...g1B
- 2.e8Q#
- 2.e8R#
- 1...g1R
- 2.e8Q#
- 2.e8R#
- 1...Qh2
- 2.Qf3#
- 2.e8Q#
- 2.e8R#
- 1...Qh4
- 2.Qf3#
- 1...Qf3
- 2.Qxf3#
- 1...Qh3
- 2.e8Q#
- 2.e8R#
- 1...Ra1
- 2.e8Q#
- 2.e8R#
- 1...Rb2
- 2.e8Q#
- 2.e8R#
- 1...Rb3
- 2.e8Q#
- 2.e8R#
- 1...Ba5
- 2.Sd5#
- 2.e8Q#
- 2.e8R#
- 1...Sa2
- 2.Rd3#
- 2.e8Q#
- 2.e8R#
- 1...Sb3
- 2.Rd3#
- 2.e8Q#
- 2.e8R#
- 1...Sd3
- 2.Rxd3#
- 1...Sc4
- 2.Sxc4#
- 1...Sb5
- 2.Sc4#
- 2.e8Q#
- 2.e8R#
- 1...f3
- 2.Sd5#
- 1...c4
- 2.Bd4#
- 1...d6
- 2.e8Q#
- 2.e8R#
- threat
- 1.e7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(i);N_GUARD::QAR1(E)
- Q(i);N_GUARD::QAR1(E),XQ(i)
- B(j);P_PINS(F),XB(C)::S(H)
- B(j);P_PINS(F)::S(H)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(g);N_GUARD,XP(B)::S(F)
- S(g);N_GUARD::S(F),XS(g)
- S(g);N_GUARD::S(F)
- P(k);P_PINS(H)::S(F)
- P(l);N_GUARD::B(C)
- Tries
- Try
- B(C);CHECK
- Vars
- B(j);P_PINS(F),XB(C)::S(H)
- Refutation
- K(h);P_SPINB(j),P_SPINP(k),S_FLIGHT
- Try
- Q(E);CHECK,XQ(i)
- Refutation
- P(k);XQ(E)
- Try
- Actual
- P(G);
- Threat
- P=Q
- Vars
- Q(i);XQ(E)::P=Q
- B(j);P_PINS(F),XB(C)::S(H)
- P(d);XR(A)::P=Q
- P(m);XQ(E)::P=Q
- P(n);::P=Q
- P(d);::P=Q
- P(f);::P=Q
- Q(i);N_GUARD::QAR1(E)
- Q(i);N_GUARD::QAR1(E),XQ(i)
- Q(i);::P=Q
- R(a);::P=Q
- S(b);N_GUARD::R1(A),XS(b)
- S(g);N_GUARD::S(F),XS(g)
- P(k);P_PINS(H)::S(F)
- P(l);N_GUARD::B(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).