MESON Chess Problem Database
Problem Display
PID: 169029 (4b2n/4BPp1/K1P3nR/ppQPkr1q/Rr4B1/1p1p2NP/3PP1N1/b7 w - - 0 1)
Gavriliv, Evgeni M
SuperProblem, 2017
#2
14 + 13
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Qd6#
- 1...Re4
- 2.Rxe4#
- 2.Qd6#
- 1...Rbf4
- 2.Qd6#
- 1...Rxg4
- 2.Qd6#
- 1...Rf1
- 2.d6#
- 1...Rf2
- 2.d6#
- 1...Rf3
- 2.d6#
- 1...Rff4
- 2.d6#
- 1...Rg5
- 2.d6#
- 1...Rf6
- 2.d6#
- 1...Rxf7
- 2.d6#
- 1...Bd4
- 2.Qd6#
- 1...Sf4
- 2.Bd6#
- 1...Sh4
- 2.Bd6#
- 2.Re6#
- 2.d6#
- 1...Sxe7
- 2.Re6#
- 1...Sf8
- 2.Bd6#
- 2.d6#
- 1...Rd4
- Tries
- 1.Se1?
- threat
- 2.Sxd3#
- 1...Kf4
- 2.Qe3#
- 1...dxe2
- 2.Sd3#
- 1...Rd4
- 2.Qd6#
- 1...Sf4
- 2.Sf3#
- 2.Bd6#
- 1...Rf3!
- threat
- 1.Rxb4?
- threat
- 2.Re4#
- 2.Qd6#
- 1...Qxg4
- 2.Qd6#
- 1...Sxf7
- 2.Re4#
- 1...Rf4
- 2.Qd6#
- 2.d6#
- 1...Rf6
- 2.Re4#
- 2.d6#
- 1...Bd4
- 2.Qxd4#
- 2.Qd6#
- 1...axb4!
- threat
- 1.Qe3+?
- 1...Re4
- 2.Qxe4#
- 1...Kxd5!
- 1...Re4
- 1.Qxb4?
- threat
- 2.Qd6#
- 2.Qe4#
- 1...Kxd5
- 2.Qd6#
- 2.Qe4#
- 1...Qxg4
- 2.Qd6#
- 1...Sxf7
- 2.Qe4#
- 1...bxa4
- 2.Qe4#
- 1...Rf4
- 2.Qd6#
- 1...Rf6
- 2.Qe4#
- 1...Bd4
- 2.Qd6#
- 2.Qxd4#
- 1...axb4!
- threat
- 1.e3?
- threat
- 2.Qd6#
- 1...Rf6
- 2.d6#
- 1...Sxf7!
- threat
- 1.fxe8S?
- threat
- 2.Bd6#
- 1...Sxe7
- 2.Re6#
- 1...Rf6
- 2.d6#
- 1...Sf7!
- threat
- 1.f8Q?
- threat
- 2.Bd6#
- 1...Rxf8
- 2.d6#
- 1...Sxe7
- 2.Re6#
- 2.Qfxe7#
- 1...Rf6
- 2.d6#
- 1...Rf7
- 2.d6#
- 1...Bf7
- 2.Qb8#
- 1...Sf7!
- threat
- 1.f8S?
- threat
- 2.d6#
- 1...Bxc6
- 2.dxc6#
- 1...Sxe7
- 2.Re6#
- 1...Rd4
- 2.Qd6#
- 1...Bd4
- 2.Qd6#
- 1...Bf7
- 2.Sd7#
- 1...Sf4
- 2.Bd6#
- 1...Rc4!
- threat
- 1.Se1?
- Keys
- 1.Sf4!
- threat
- 2.Sxd3#
- 1...Kxf4
- 2.Qe3#
- 1...Rbxf4
- 2.Qd6#
- 1...Rfxf4
- 2.d6#
- 1...Sxf4
- 2.Bd6#
- 1...dxe2
- 2.Sd3#
- 1...Rd4
- 2.Qd6#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(d);::QAB1(H)
- R(d);XB(G)::QAB1(H)
- R(h);::QAR(H)+P(I)
- R(h);P_PINP(K)::QAR(H)+P(I)
- R(h);XP(N)::QAR(H)+P(I)
- B(a);SBLOCK::QAB1(H)
- S(j);::B(M)
- S(j);OGATE,XB(M)::R1(L)
- Tries
- Try
- S(C);
- Threat
- S(C),XP(c)
- Vars
- K(g);P_SPINR(d),S_FLIGHT::QAB1(H)
- P(c);XP(B)::S(C)
- R(d);::QAB1(H)
- Refutation
- R(h);
- Try
- R(F);XR(d)
- Threat
- DUALS(2)
- Vars
- Q(i);XB(G)::QAB1(H)
- S(m);XP(N)::R1(F)
- Refutation
- P(e);XR(F)
- Try
- Q(H);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::QAR1(H),XR(d)
- Refutation
- K(g);P-FLIGHT,XP(I)
- Try
- Q(H);XR(d)
- Threat
- DUALS(2)
- Vars
- Q(i);XB(G)::QAB1(H)
- S(m);XP(N)::QAR1(H)
- P(f);XR(F)::QAR1(H)
- R(h);::QAB1(H)
- R(h);P_PINP(K)::QAR1(H)
- Refutation
- P(e);XQ(H)
- Try
- P(B);
- Threat
- QAB1(H)
- Vars
- R(h);P_PINP(K)::QAR(H)+P(I)
- Refutation
- S(m);XP(N)
- Try
- P(N);XB(l)
- Threat
- B(M)
- Vars
- S(j);OGATE,XB(M)::R1(L)
- R(h);P_PINP(K)::QAR(H)+P(I)
- Refutation
- S(m);
- Try
- P(N);
- Threat
- B(M)
- Vars
- R(h);XQ(N)::QAR(H)+P(I)
- R(h);P_PINP(K)::QAR(H)+P(I)
- R(h);::QAR(H)+P(I)
- B(l);OGATE::QAB(N)
- Refutation
- S(m);
- Try
- P(N);
- Threat
- QAR(H)+P(I)
- Vars
- B(l);OGATE,XP(K)::QAR(H)+P(I),XB(l)
- S(j);OGATE,XB(M)::R1(L)
- R(d);::QAB1(H)
- B(a);SBLOCK::QAB1(H)
- B(l);N_GUARD::S(N)
- S(j);::B(M)
- Refutation
- R(d);
- Try
- Actual
- S(C);
- Threat
- S(C),XP(c)
- Vars
- K(g);P_SPINR(d),S_FLIGHT,XS(C)::QAB1(H)
- R(d);XS(C)::QAB1(H)
- R(h);SBLOCK,XS(C)::QAR(H)+P(I)
- S(j);SBLOCK,XS(C)::B(M)
- P(c);XP(B)::S(C)
- R(d);::QAB1(H)
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).