MESON Chess Problem Database
Problem Display
PID: 263783 (3R1n2/3b1K2/8/1Ppk2p1/2Np2pb/p1nB1pr1/P1Q2P1B/8 w - - 0 1)
van Dijk, Johannes
2nd Comm., Tijdschrift vd NSB, 1930
#2
9 + 12
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sb6#
- 1...Rg2
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Sxa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sxb5
- 2.Be4#
- 1...Se6
- 2.Rxd7#
- 1...Sg6
- 2.Rxd7#
- 1...Sh7
- 2.Rxd7#
- 1...Rg1
- Tries
- 1.Kf6?
- 1...Se4+
- 2.Bxe4#
- 1...Sxa2
- 2.Be4#
- 1...Sxb5
- 2.Be4#
- 1...Rg1
- 2.Sb6#
- 1...Rg2
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se6
- 2.Rxd7#
- 1...Sg6
- 2.Rxd7#
- 1...Sh7+!
- 1...Se4+
- 1.Ke7?
- 1...Sxa2
- 2.Be4#
- 1...Sxb5
- 2.Be4#
- 1...Rg1
- 2.Sb6#
- 1...Rg2
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Se6
- 2.Rxd7#
- 1...Sh7
- 2.Rxd7#
- 1...Sg6+!
- 1...Sxa2
- 1.Bxg3?
- threat
- 2.Sb6#
- 1...Sxb5
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Bxg3!
- threat
- 1.Be4+?
- 1...Kxc4
- 2.Qb3#
- 1...Sxe4!
- 1...Kxc4
- 1.Qxc3?
- 1...Se6
- 2.Rxd7#
- 1...Rg1
- 2.Sb6#
- 1...Rg2
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Sg6
- 2.Rxd7#
- 1...Sh7
- 2.Rxd7#
- 1...dxc3!
- 1...Se6
- 1.Kf6?
- Keys
- 1.Bf5!
- 1...Kxc4
- 2.Qb3#
- 1...Sxa2
- 2.Be4#
- 1...Sxb5
- 2.Be4#
- 1...d3
- 2.Qxd3#
- 1...Rg1
- 2.Sb6#
- 1...Rg2
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Se6
- 2.Bxe6#
- 1...Sg6
- 2.Be6#
- 1...Sh7
- 2.Be6#
- 1...Kxc4
- 1.Bf5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(d);::S(F)
- S(b);N_GUARD::B(E)
- S(b);N_GUARD,XP(A)::B(E)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD,XP(G)::B(E)
- S(l);N_GUARD::R(I),XB(k)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- S(b);N_GUARD,XP(A)::B(E)
- S(b);N_GUARD,XP(G)::B(E)
- R(d);::S(F)
- S(b);N_GUARD::B(E)
- S(l);N_GUARD::R(I),XB(k)
- Refutation
- S(l);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- S(b);N_GUARD,XP(A)::B(E)
- S(b);N_GUARD,XP(G)::B(E)
- R(d);::S(F)
- S(b);N_GUARD::B(E)
- S(b);N_GUARD::B(E),XS(b)
- S(l);N_GUARD::R(I),XB(k)
- Refutation
- S(l);CHECK
- Try
- B(D);XR(d)
- Threat
- S(F)
- Vars
- S(b);N_GUARD,XP(G)::B(E)
- S(b);N_GUARD::B(E)
- Refutation
- B(g);XB(D)
- Try
- B(E);CHECK
- Vars
- K(i);N_GUARD,N_SPINB(k),P_SPINS(b),S_FLIGHT,XS(F)::QAB1(B)
- Refutation
- S(b);XB(E)
- Try
- Q(B);XS(b)
- Vars
- S(l);N_GUARD::R(I),XB(k)
- R(d);::S(F)
- Refutation
- P(e);XQ(B)
- Try
- Actual
- B(E);
- Vars
- K(i);N_SPINB(k),OGATEB,P_SPINS(b),S_FLIGHT,XS(F)::QAB1(B)
- S(b);N_GUARD,XP(A)::B(E)
- S(b);N_GUARD,XP(G)::B(E)
- P(e);OGATEB::QAR2(B),XP(e)
- R(d);::S(F)
- S(b);N_GUARD::B(E)
- S(b);N_GUARD::B(E),XS(b)
- S(l);N_GUARD::B(E),XS(l)
- S(l);N_GUARD::B(E)
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).