MESON Chess Problem Database
Problem Display
PID: 207148 (b2n2Q1/B2Pp2p/7p/1P2NP2/r3k1NR/2b2R1K/1q2pP2/2n4B w - - 0 1)
Sukhodolov, Nikolai
Zadachi i Etyudi, 2018
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Sf6#
- 1...Se6
- 2.Qxa8#
- 1...Sf7
- 2.Qxa8#
- 1...Bxe5
- Tries
- 1.Sd3?
- threat
- 2.Sh2#
- 2.Sge5#
- 2.Sf6#
- 2.Sxh6#
- 1...Se6
- 2.Sf6#
- 2.Qxa8#
- 1...Sf7
- 2.Sf6#
- 2.Qxa8#
- 1...e6
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Bd2
- 2.Sf6#
- 1...Be5
- 2.Sgxe5#
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...h5
- 2.Sh2#
- 2.Sge5#
- 2.Sf6#
- 2.Sh6#
- 1...e5
- 2.Sh2#
- 2.Sgxe5#
- 2.Sf6#
- 2.Sxh6#
- 1...Sxd3!
- threat
- 1.Sc4?
- threat
- 2.Sh2#
- 2.Sge5#
- 2.Sf6#
- 2.Sxh6#
- 1...Se6
- 2.Sf6#
- 2.Qxa8#
- 1...Sf7
- 2.Sf6#
- 2.Qxa8#
- 1...e6
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Bd2
- 2.Sf6#
- 1...Be5
- 2.Sgxe5#
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Sd3
- 2.Sf6#
- 1...h5
- 2.Sh2#
- 2.Sge5#
- 2.Sf6#
- 2.Sh6#
- 1...e5
- 2.Sd6#
- 2.Sh2#
- 2.Sgxe5#
- 2.Sf6#
- 2.Sxh6#
- 1...Rxc4!
- threat
- 1.Sg6?
- threat
- 2.Sh2#
- 2.S4e5#
- 2.Sf6#
- 2.Sxh6#
- 1...Se6
- 2.Sf6#
- 2.Qxa8#
- 1...Sf7
- 2.Sf6#
- 2.Qxa8#
- 1...e6
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Bd2
- 2.Sf6#
- 1...Be5
- 2.S4xe5#
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Sd3
- 2.Sf6#
- 2.Rf4#
- 1...h5
- 2.Sh2#
- 2.S4e5#
- 2.Sf6#
- 2.Sh6#
- 1...e5
- 2.Sh2#
- 2.S4xe5#
- 2.Sf6#
- 2.Sxh6#
- 1...hxg6!
- threat
- 1.Bb8?
- threat
- 2.Sh2#
- 2.Se3#
- 2.Sf6#
- 2.Sxh6#
- 1...Bxe5
- 2.Sxe5#
- 2.Sf6#
- 1...Se6
- 2.Sf6#
- 1...Sf7
- 2.Se3#
- 2.Sf6#
- 1...e6
- 2.Se3#
- 2.Sf6#
- 1...Qd2
- 2.Se3#
- 2.Sf6#
- 1...Bd2
- 2.Se3#
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...h5
- 2.Sh2#
- 2.Se3#
- 2.Sf6#
- 2.Sh6#
- 1...Kd4!
- threat
- 1.Re3+?
- 1...Kf4
- 2.Sxh6#
- 1...Kxf5!
- 1...Kf4
- 1.Qd5+?
- 1...Kxd5
- 2.Rd3#
- 1...Bxd5!
- 1...Kxd5
- 1.Qe6?
- threat
- 2.Sh2#
- 2.Se3#
- 2.Sf6#
- 2.Sxh6#
- 1...Bxe5
- 2.Sh2#
- 2.Sxe5#
- 2.Sf6#
- 2.Sxh6#
- 1...Qd2
- 2.Se3#
- 2.Sf6#
- 1...Bd2
- 2.Se3#
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...h5
- 2.Sh2#
- 2.Se3#
- 2.Sf6#
- 2.Sh6#
- 1...Sxe6!
- threat
- 1.Qg5?
- threat
- 2.Rxc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...Kd5
- 2.Rd3#
- 1...Rxa7
- 2.Rd3#
- 2.Rf4#
- 1...Bxe5
- 2.Sf6#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rg3#
- 1...e1Q
- 2.Re3#
- 2.Rf4#
- 1...e1S
- 2.Re3#
- 2.Rf4#
- 1...e1R
- 2.Re3#
- 2.Rf4#
- 1...Be1
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...Bd2
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...Bb4
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...Bd4
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...Ba5
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...Sd3
- 2.Rxd3#
- 2.Re3#
- 2.Rg3#
- 2.Rf4#
- 1...hxg5!
- threat
- 1.Qh8?
- threat
- 2.Se3#
- 1...Kd5
- 2.Rd3#
- 1...Bxe5
- 2.Sf6#
- 1...Se6
- 2.Qxa8#
- 1...Sd3!
- threat
- 1.Sd3?
- Keys
- 1.Sf7!
- threat
- 2.Sf6#
- 1...Kd5
- 2.Se3#
- 1...Sxf7
- 2.Qxa8#
- 1...Bf6
- 2.Sxf6#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(d);SBLOCK,XS(H)::R(F)+S(E),DCHECK
- S(k);OGATE::QAB(L),XB(j)
- Tries
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- P(h);::R(F)+S(E),DCHECK
- Q(b);::R(F)+S(E),DCHECK
- B(d);::R(F)+S(E),DCHECK
- B(d);::R(F)+S(E),DCHECK,XB(d)
- Refutation
- S(a);XS(H)
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- P(h);::R(F)+S(E),DCHECK
- Q(b);::R(F)+S(E),DCHECK
- B(d);::R(F)+S(E),DCHECK
- B(d);::R(F)+S(E),DCHECK,XB(d)
- S(a);::R(F)+S(E),DCHECK
- Refutation
- R(e);XS(H)
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- P(h);::R(F)+S(E),DCHECK
- Q(b);::R(F)+S(E),DCHECK
- B(d);::R(F)+S(E),DCHECK
- B(d);::R(F)+S(E),DCHECK,XB(d)
- Refutation
- P(i);XS(H)
- Try
- B(J);
- Threat
- DUALS(4)
- Vars
- S(k);::R(F)+S(E),DCHECK
- S(a);::R(F)+S(E),DCHECK
- Refutation
- K(f);P-FLIGHT
- Try
- R(C);CHECK
- Vars
- K(f);P-FLIGHT::R(F)+S(E),XP(g)
- Refutation
- K(f);S_FLIGHT,XP(I)
- Try
- Q(L);CHECK
- Vars
- K(f);S_FLIGHT,XQ(L)::B(A)+R(C),DCHECK
- Refutation
- B(j);XQ(L)
- Try
- Q(L);
- Threat
- DUALS(4)
- Vars
- S(a);::R(F)+S(E),DCHECK
- Refutation
- S(k);XQ(L)
- Try
- Q(L);
- Threat
- DUALS(5)
- Vars
- K(f);S_FLIGHT::B(A)+R(C),DCHECK
- Refutation
- P(g);XQ(L)
- Try
- Q(L);
- Threat
- R(F)+S(E)
- Vars
- K(f);S_FLIGHT::B(A)+R(C),DCHECK
- B(d);SBLOCK,XS(H)::R(F)+S(E),DCHECK
- S(k);OGATE::QAB(L),XB(j)
- Refutation
- S(a);
- Try
- Actual
- S(H);
- Threat
- R(F)+S(E),DCHECK
- Vars
- K(f);S_FLIGHT::S(E)
- S(k);OGATE,XS(H)::QAB(L),XB(j)
- B(d);::R(F)+S(E),DCHECK,XB(d)
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).