MESON Chess Problem Database
Problem Display
PID: 238810 (3N4/1N3pR1/2p3P1/rP1kpBP1/1p1P3b/1Pn4Q/n1K1P3/B2R4 w - - 0 1)
Janevski, Zivko
Schweizerische Schachzeitung, 2011
#2
14 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.e4#
- 1...Sxd1
- 2.e4#
- 1...Sa4
- 2.e4#
- 2.dxe5#
- 1...Sxb5
- 2.e4#
- 1...fxg6
- 2.Rd7#
- 1...f6
- 2.Rd7#
- 1...Sb1
- Tries
- 1.Sxc6?
- threat
- 2.Se7#
- 1...exd4
- 2.Rxd4#
- 1...Bxg5!
- threat
- 1.Be4+?
- 1...Kxe4
- 2.Qf3#
- 1...Sxe4!
- 1...Kxe4
- 1.Be6+?
- 1...Ke4
- 2.Qf3#
- 1...fxe6!
- 1...Ke4
- 1.Bd7?
- threat
- 2.Bxc6#
- 1...Ke4
- 2.Qf3#
- 1...exd4
- 2.Qf5#
- 1...cxb5
- 2.Bc6#
- 1...c5
- 2.Bc6#
- 1...Ra6!
- threat
- 1.Rxf7?
- threat
- 2.Rd7#
- 1...Sxb5
- 2.e4#
- 1...Se4
- 2.Be6#
- 1...exd4!
- threat
- 1.Qg2+?
- 1...Se4
- 2.Bxe4#
- 2.Qxe4#
- 2.dxe5#
- 1...e4!
- 1...Se4
- 1.Qh1+?
- 1...Se4
- 2.Bxe4#
- 2.Qxe4#
- 2.dxe5#
- 1...e4!
- 1...Se4
- 1.Qh2?
- threat
- 2.Qxe5#
- 1...exd4
- 2.Qd6#
- 1...e4
- 2.Qe5#
- 2.Qd6#
- 1...f6
- 2.Rd7#
- 1...Bg3!
- threat
- 1.Qxc3?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 2.e4#
- 2.dxe5#
- 1...Rxb5
- 2.Qc4#
- 2.Qxc6#
- 2.e4#
- 2.dxe5#
- 1...Bxg5
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 2.e4#
- 1...bxc3
- 2.e4#
- 1...exd4
- 2.Qxd4#
- 2.Qc5#
- 1...cxb5
- 2.Qc5#
- 2.Qc6#
- 2.e4#
- 2.dxe5#
- 1...e4
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Ra6
- 2.Qc4#
- 2.Qc5#
- 2.e4#
- 2.dxe5#
- 1...Be1
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 2.e4#
- 1...Bf2
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 2.e4#
- 1...Sc1
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 2.e4#
- 1...c5
- 2.Qc4#
- 2.Qxc5#
- 2.e4#
- 2.dxc5#
- 2.dxe5#
- 1...Sxc3!
- threat
- 1.Qd3?
- threat
- 2.Qc4#
- 1...exd4
- 2.Qxd4#
- 1...cxb5!
- threat
- 1.Qf3+?
- 1...Se4
- 2.Bxe4#
- 2.Qxe4#
- 2.dxe5#
- 1...e4!
- 1...Se4
- 1.Qg3?
- threat
- 2.Qxe5#
- 1...exd4
- 2.Qd6#
- 1...e4
- 2.Qe5#
- 2.Qd6#
- 1...f6
- 2.Rd7#
- 1...Bxg3!
- threat
- 1.dxe5+?
- 1...Sxd1
- 2.Qg2#
- 2.Qh1#
- 2.Qd3#
- 2.Qf3#
- 2.e4#
- 1...Kxe5!
- 1...Sxd1
- 1.Sxc6?
- Keys
- 1.Bd3!
- threat
- 2.Qd7#
- 1...Kxd4
- 2.Bf5#
- 1...Sxb5
- 2.e4#
- 1...exd4
- 2.Qf5#
- 1...Se4
- 2.Bc4#
- 1...f5
- 2.Rd7#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- S(b);N_GUARD::P(D)
- S(b);N_GUARD,XR(B)::P(D)
- S(b);N_GUARD,XP(H)::P(D)
- P(i);OGATE,XP(K)::R(M)
- P(i);OGATE::R(M)
- Tries
- Try
- S(N);XP(h)
- Threat
- S(N)
- Vars
- P(g);OGATE,P_SPINP(g),XP(G)::R1(B),XP(g)
- Refutation
- B(d);XP(J)
- Try
- B(I);CHECK
- Vars
- K(f);S_FLIGHT,XB(I)::QAB1(F)
- Refutation
- S(b);XB(I)
- Try
- B(I);CHECK
- Vars
- K(f);S_FLIGHT::QAB1(F)
- Refutation
- P(i);XB(I)
- Try
- B(I);
- Threat
- B(I),XP(h)
- Vars
- K(f);S_FLIGHT::QAB1(F)
- P(g);OGATEB,P_SPINP(g),XP(G)::QAR2(F)
- P(h);XP(H)::B(I)
- P(h);::B(I)
- Refutation
- R(e);
- Try
- R(M);XP(i)
- Threat
- R(M)
- Vars
- S(b);N_GUARD,XP(H)::P(D)
- S(b);SBLOCK::B(I)
- Refutation
- P(g);P_SPINP(g),XP(G)
- Try
- Q(F);CHECK
- Refutation
- P(g);P_SPINP(g)
- Try
- Q(F);CHECK
- Refutation
- P(g);P_SPINP(g)
- Try
- Q(F);
- Threat
- QAR1(F),XP(g)
- Vars
- P(g);OGATE,P_SPINP(g),XP(G)::QAR1(F)
- P(i);OGATE::R(M)
- Refutation
- B(d);
- Try
- Q(F);XS(b)
- Threat
- DUALS(5)
- Vars
- P(c);XQ(F)::P(D)
- Refutation
- S(a);XQ(F)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- P(g);OGATE,P_SPINP(g),XP(G)::QAR1(F),XP(g)
- Refutation
- P(h);XP(H)
- Try
- Q(F);CHECK
- Refutation
- P(g);P_SPINP(g)
- Try
- Q(F);
- Threat
- QAR1(F),XP(g)
- Vars
- P(g);OGATE,P_SPINP(g),XP(G)::QAR1(F)
- P(i);OGATE::R(M)
- Refutation
- B(d);XQ(F)
- Try
- P(G);CHECK,XP(g)
- Refutation
- K(f);P-FLIGHT,P_SPINS(b),XP(G)
- Try
- Actual
- B(I);
- Threat
- QAR2(F)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINS(b),XP(G)::R(B)+B(I)
- S(b);N_GUARD,XP(H)::P(D)
- P(g);OGATEB,SBLOCK,XP(G)::QAR2(F)
- S(b);SBLOCK::B(I)
- P(i);OGATE::R(M)
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).