MESON Chess Problem Database
Problem Display
PID: 190034 (r2R3n/3p4/3B4/rp1B4/p2k4/8/p2PPp2/bbR2K1Q w - - 0 1)
van Dijk, Johannes
Tijdschrift vd NSB, 1913
#2
8 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Qxe4#
- 1...b4
- 2.Rc4#
- 1...Be4
- Tries
- 1.Bxa2?
- threat
- 2.Qd5#
- 1...Be4
- 2.Qxh8#
- 1...b4
- 2.Rc4#
- 1...Bxa2!
- threat
- 1.Bb3?
- threat
- 2.Qd5#
- 1...Be4
- 2.Qxh8#
- 1...b4
- 2.Rc4#
- 1...axb3!
- threat
- 1.Bc4?
- threat
- 2.Qd5#
- 2.e3#
- 1...Bc3
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Bd3
- 2.Qd5#
- 1...Be4
- 2.Qxh8#
- 2.e3#
- 1...b4
- 2.e3#
- 1...bxc4!
- threat
- 1.Bc6?
- threat
- 2.Qd5#
- 2.Qxh8#
- 1...Rxd8
- 2.Qd5#
- 1...dxc6
- 2.Bb8#
- 1...Bc3
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be4
- 2.Qxe4#
- 2.Qxh8#
- 1...Bh7
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sf7
- 2.Qd5#
- 1...b4!
- threat
- 1.Bb7?
- threat
- 2.Qd5#
- 2.Qxh8#
- 1...Rxd8
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be4
- 2.Qxe4#
- 2.Qxh8#
- 1...Bh7
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sf7
- 2.Qd5#
- 1...b4!
- threat
- 1.Bf7?
- threat
- 2.Qd5#
- 1...b4
- 2.Rc4#
- 1...Be4
- 2.Qxh8#
- 1...Sxf7!
- threat
- 1.Bg8?
- threat
- 2.Qd5#
- 1...b4
- 2.Rc4#
- 1...Be4
- 2.Qxh8#
- 1...Sf7!
- threat
- 1.Rc3?
- threat
- 2.e3#
- 1...Be4
- 2.Qxe4#
- 1...Bd3
- 2.Rxd3#
- 1...Bxc3!
- threat
- 1.Qh4+?
- 1...Be4
- 2.Qxe4#
- 1...Kxd5!
- 1...Be4
- 1.Qh5?
- threat
- 2.Bc5#
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Bc3
- 2.Qe5#
- 1...Bc2
- 2.Qe5#
- 1...Sg6
- 2.Bc5#
- 1...Sf7
- 2.Bc5#
- 1...b4
- 2.Rc4#
- 2.Qe5#
- 1...Bf5!
- threat
- 1.Bxa2?
- Keys
- 1.Be6!
- threat
- 2.Qd5#
- 1...dxe6
- 2.Bb8#
- 1...Be4
- 2.Qxh8#
- 1...b4
- 2.Rc4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::QAR1(C),XB(b)
- P(h);N_GUARD::R1(A)
- Tries
- Try
- B(F);XP(c)
- Threat
- QAR1(C)
- Vars
- B(b);SBLOCK::QAB(C),XS(k)
- P(h);N_GUARD::R1(A)
- Refutation
- B(b);XB(F)
- Try
- B(F);
- Threat
- QAR1(C)
- Vars
- B(b);SBLOCK::QAB(C),XS(k)
- P(h);N_GUARD::R1(A)
- Refutation
- P(e);XB(F)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(a);::QAR1(C)
- B(b);::QAR1(C)
- B(b);P_PINP(E)::QAR1(C)
- P(h);::P(E)
- Refutation
- P(h);XB(F)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(j);XR(H)::QAR1(C)
- P(i);OGATEB,XB(F)::R(H)+B(G)
- B(a);::QAR1(C)
- B(b);::QAR1(C)
- S(k);::QAR1(C)
- Refutation
- P(h);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(j);XR(H)::QAR1(C)
- B(a);::QAR1(C)
- B(b);::QAR1(C)
- S(k);::QAR1(C)
- Refutation
- P(h);
- Try
- B(F);
- Threat
- QAR1(C)
- Vars
- P(h);N_GUARD::R1(A)
- B(b);SBLOCK::QAB(C),XS(k)
- Refutation
- S(k);XB(F)
- Try
- B(F);
- Threat
- QAR1(C)
- Vars
- P(h);N_GUARD::R1(A)
- B(b);SBLOCK::QAB(C),XS(k)
- Refutation
- S(k);
- Try
- R(A);
- Threat
- P(E)
- Vars
- B(b);N_GUARD::QAR1(C),XB(b)
- B(b);N_GUARD,P_PINP(E)::R1(A),XB(b)
- Refutation
- B(a);XR(A)
- Try
- Q(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(C),XB(b)
- Refutation
- K(f);P-FLIGHT,XB(F)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(j);::QAB1(C)
- B(a);::QAB1(C)
- B(b);::QAB1(C)
- S(k);::B(G)
- Refutation
- B(b);
- Try
- Actual
- B(F);
- Threat
- QAR1(C)
- Vars
- P(i);OGATEB,XB(F)::R(H)+B(G)
- B(b);SBLOCK::QAB(C),XS(k)
- P(h);N_GUARD::R1(A)
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).