MESON Chess Problem Database
Problem Display
PID: 78976 (2n5/p1KQ4/3P2P1/3kN2q/rR2n3/1PPN1r2/4P1B1/7b w - - 0 1)
Smit, Geert
Tijdschrift vd KNSB, 1939
#2
11 + 8
| 102 | Probleemblad | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Rb5#
- 1...Rf2
- 2.Rb5#
- 1...Rxd3
- 2.Rb5#
- 1...Re3
- 2.Rb5#
- 2.Qf7#
- 1...Rg3
- 2.Rb5#
- 2.Qf7#
- 1...Rh3
- 2.Rb5#
- 2.Qf7#
- 1...Rf4
- 2.Rb5#
- 1...Rf5
- 2.Rb5#
- 1...Rf6
- 2.Rb5#
- 1...Rf7
- 2.Rb5#
- 2.Qxf7#
- 1...Rf8
- 2.Rb5#
- 1...Ra1
- 2.Rd4#
- 1...Ra2
- 2.Rd4#
- 1...Ra3
- 2.Rd4#
- 1...Ra5
- 2.Rd4#
- 1...Ra6
- 2.Rd4#
- 1...Sd2
- 2.Qf7#
- 1...Sf2
- 2.Qf7#
- 1...Sxc3
- 2.Qf7#
- 1...Sg3
- 2.Qf7#
- 1...Sexd6
- 2.e4#
- 1...Sf6
- 2.Qf7#
- 1...Rf1
- Tries
- 1.Sf4+?
- 1...Kc5
- 2.Rb5#
- 2.Qb5#
- 2.Qc6#
- 1...Rxf4
- 2.Rb5#
- 1...Kxe5!
- 1...Kc5
- 1.Sxf3?
- threat
- 2.Qf7#
- 2.c4#
- 1...Qxg6
- 2.c4#
- 1...Rxb4
- 2.Qf7#
- 1...Sxc3
- 2.Qf7#
- 1...Sexd6
- 2.e4#
- 1...Scxd6
- 2.c4#
- 1...Qg4
- 2.c4#
- 1...Qh3
- 2.c4#
- 1...Qe5
- 2.c4#
- 1...Qf5
- 2.Qxf5#
- 2.c4#
- 1...Qh7
- 2.c4#
- 1...Sd2
- 2.Qf7#
- 1...Sf2
- 2.Qf7#
- 1...Sg3
- 2.Qf7#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Qf5#
- 1...Sf6
- 2.Qf7#
- 1...Sb6
- 2.Qf7#
- 1...Se7
- 2.c4#
- 1...Qxf3!
- threat
- 1.Bxf3?
- threat
- 2.Rb5#
- 2.Qf7#
- 1...Qxg6
- 2.Rb5#
- 1...Qxe5
- 2.Rb5#
- 1...Rxb4
- 2.Qf7#
- 1...Bxf3
- 2.Qf7#
- 1...Sxd6
- 2.Rb5#
- 2.Qxd6#
- 1...Qg4
- 2.Rb5#
- 1...Qh3
- 2.Rb5#
- 1...Qf5
- 2.Rb5#
- 1...Qh7
- 2.Rb5#
- 1...Ra5
- 2.Rd4#
- 2.Qf7#
- 1...Se7
- 2.Rb5#
- 2.dxe7#
- 1...a6
- 2.Qf7#
- 1...Qxf3!
- threat
- 1.Rxa4?
- threat
- 2.Rd4#
- 1...Rxd3
- 2.Ra5#
- 1...Sxc3
- 2.Qf7#
- 1...Qxe5!
- threat
- 1.Qb5+?
- 1...Sc5
- 2.Qc4#
- 1...Ke6!
- 1...Sc5
- 1.bxa4?
- threat
- 2.Rd4#
- 1...Rxd3
- 2.Rb5#
- 1...Sxc3
- 2.Qf7#
- 1...Qxe5!
- threat
- 1.Sf4+?
- Keys
- 1.Sc6!
- threat
- 2.c4#
- 1...Rxd3
- 2.Rb5#
- 1...Rxb4
- 2.Scxb4#
- 1...Sxc3
- 2.Qf7#
- 1...Sexd6
- 2.e4#
- 1...Sd2
- 2.Qf7#
- 1...Sf2
- 2.Qf7#
- 1...Sg3
- 2.Qf7#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Qf5#
- 1...Sf6
- 2.Qf7#
- 1...Sb6
- 2.Se7#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- R(b);P_SPINS(d)::R(F)
- R(b);P_SPINS(d),XS(E)::R(F)
- R(c);N_GUARD::R1(F)
- S(d);P_SPINR(b)::QAB(K)
- S(d);P_SPINR(b),XP(D)::QAB(K)
- S(d);OGATE,P_SPINR(b),P_SPINS(d),XP(H)::P(A)
- Tries
- Try
- S(E);CHECK
- Vars
- R(b);P_SPINS(d),XS(E)::R(F)
- Refutation
- K(e);P-FLIGHT,XS(G)
- Try
- S(G);XR(b)
- Threat
- DUALS(2)
- Vars
- Q(f);XP(I)::P(D)
- R(c);XR(F)::QAB(K)
- S(d);XP(D)::QAB(K)
- S(d);OGATE,P_SPINS(d),XP(H)::P(A)
- S(h);P_SPINS(h),XP(H)::P(D)
- Q(f);::P(D)
- Q(f);P_PINP(H)::P(D)
- Q(f);P_PINQ(K)::P(D)
- S(d);::QAB(K)
- S(d);SBLOCK::S(E)
- S(d);S_CUTQ(f)::QAR2(K)
- S(h);::QAB(K)
- S(h);::P(D)
- Refutation
- Q(f);XS(G)
- Try
- B(B);P_PINS(d),XR(b)
- Threat
- DUALS(2)
- Vars
- Q(f);XP(I)::R(F)
- Q(f);P_PINP(H),XS(G)::R(F)
- R(c);XR(F)::QAB(K)
- B(a);N_SPINS(d),XB(B)::QAB(K)
- Q(f);::R(F)
- Q(f);P_PINQ(K)::R(F)
- P(g);::QAB(K)
- Refutation
- Q(f);N_SPINS(d),XB(B)
- Try
- R(F);XR(c)
- Threat
- R1(F)
- Vars
- R(b);P_SPINS(d),XS(E)::R(F)
- S(d);P_SPINR(b),XP(D)::QAB(K)
- Refutation
- Q(f);P_PINP(H),XS(G)
- Try
- Q(K);CHECK
- Vars
- S(d);P_SPINR(b),P_SPINS(d)::QAB1(K)
- Refutation
- K(e);S_FLIGHT
- Try
- P(C);XR(c)
- Threat
- R1(F)
- Vars
- R(b);P_SPINS(d),XS(E)::R(F)
- S(d);P_SPINR(b),XP(D)::QAB(K)
- Refutation
- Q(f);P_PINP(H),XS(G)
- Try
- Actual
- S(G);
- Threat
- P(D)
- Vars
- R(b);P_SPINS(d),XS(E)::R(F)
- R(c);XR(F)::S(G),XR(c)
- S(d);P_SPINR(b),XP(D)::QAB(K)
- S(d);OGATE,P_SPINR(b),P_SPINS(d),XP(H)::P(A)
- S(d);P_SPINR(b)::QAB(K)
- S(d);P_SPINR(b),SBLOCK::S(E)
- S(d);P_SPINR(b),S_CUTQ(f)::QAR2(K)
- S(h);N_GUARD::S(G)
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).