MESON Chess Problem Database
Problem Display
PID: 169173 (1B1r4/b4R2/8/1N2P1n1/2P1k2P/R3pN1n/3P2P1/1K5Q w - - 0 1)
Markovtsy, Vassyl Yuriovich
1st Comm., SuperProblem 162. TT, 2016
#2
12 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Rxe3#
- 1...Rd6
- 2.Sxd6#
- 1...Rxb8
- 2.d3#
- 1...Rc8
- 2.Sd6#
- 2.d3#
- 1...Re8
- 2.Sd6#
- 2.d3#
- 1...Rf8
- 2.Sd6#
- 2.d3#
- 1...Rg8
- 2.Sd6#
- 2.d3#
- 1...Rh8
- 2.Sd6#
- 2.d3#
- 1...Bd4
- 2.d3#
- 1...Bxb8
- 2.Rxe3#
- 1...Sg1
- 2.Sxg5#
- 1...Sf2
- 2.Sxg5#
- 1...Sf4
- 2.Sxg5#
- 1...Sxf3
- 2.gxf3#
- 1...Rd4
- Tries
- 1.Sfd4?
- threat
- 2.Rxe3#
- 2.d3#
- 1...Rxd4
- 2.Rxe3#
- 1...Rxb8
- 2.Rxe3#
- 1...Bxd4
- 2.d3#
- 1...Bxb8
- 2.Rxe3#
- 1...Sxf7
- 2.g3#
- 1...Rd6
- 2.Rxe3#
- 1...Sf2
- 2.Rxe3#
- 1...Sf4
- 2.Rxe3#
- 1...e2
- 2.Re3#
- 1...exd2!
- threat
- 1.Qxh3?
- threat
- 2.Sxg5#
- 2.Qg4#
- 2.Qf5#
- 1...Rxb8
- 2.Qg4#
- 2.Qf5#
- 2.d3#
- 1...Bxb8
- 2.Rxe3#
- 2.Qg4#
- 2.Qf5#
- 1...Sxf3
- 2.Qg4#
- 2.Qf5#
- 2.Qxf3#
- 2.gxf3#
- 1...Sxf7
- 2.Qg4#
- 1...Rd6
- 2.Sxd6#
- 2.Qg4#
- 2.Qf5#
- 1...Rg8
- 2.Sd6#
- 2.Qg4#
- 2.Qf5#
- 2.d3#
- 1...Se6
- 2.Qf5#
- 1...Sh7
- 2.Qg4#
- 2.Qf5#
- 1...Sxh3!
- threat
- 1.gxh3?
- threat
- 2.Sxg5#
- 1...Rxb8
- 2.d3#
- 1...Bxb8
- 2.Rxe3#
- 1...Sxf3
- 2.Qxf3#
- 1...Sxh3
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- 1...Rd6
- 2.Sxd6#
- 1...Se6
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- 1...Sh7
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- 1...Sxf7!
- threat
- 1.g4?
- threat
- 2.Sxg5#
- 1...Rxb8
- 2.d3#
- 1...Bxb8
- 2.Rxe3#
- 1...Sxf3
- 2.Qxf3#
- 1...Rd6
- 2.Sxd6#
- 1...Se6
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- 1...Sh7
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- 1...Sxf7!
- threat
- 1.Sfd4?
- Keys
- 1.g3!
- threat
- 2.Sxg5#
- 1...Rxb8
- 2.d3#
- 1...Bxb8
- 2.Rxe3#
- 1...Sxf3
- 2.Qxf3#
- 1...Sxf7
- 2.Sfd4#
- 1...Rd6
- 2.Sxd6#
- 1...Se6
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- 1...Sh7
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sfd4#
- 2.Sg5#
- threat
- 1.g3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(f);S_CUTB(e)::R1(E),XP(a)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD,P_PINS(I),XB(L)::P(C)
- B(e);S_CUTR(f)::P(C)
- B(e);N_GUARD,XB(L)::R1(E),XP(a)
- S(b);N_GUARD::S(F),XS(d)
- S(d);OGATE,XS(F)::P(D),XS(d)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(f);XS(F)::R1(E),XP(a)
- R(f);P_PINS(I),XB(L)::R1(E),XP(a)
- B(e);XS(F)::P(C)
- B(e);XB(L)::R1(E),XP(a)
- S(d);N_GUARD,XR(K)::QAB(B)+P(D)
- R(f);::R1(E),XP(a)
- S(b);::R1(E),XP(a)
- P(a);::R1(E)
- Refutation
- P(a);XP(C)
- Try
- Q(B);XS(b)
- Threat
- DUALS(3)
- Vars
- S(d);XR(K)::QAR2(B)
- S(d);::QAB1(B)
- Refutation
- S(d);XQ(B)
- Try
- P(D);XS(b)
- Threat
- QAB(B)+S(F),DCHECK,XS(d)
- Vars
- R(f);N_GUARD,P_PINS(I),XB(L)::P(C)
- B(e);N_GUARD,XB(L)::R1(E),XP(a)
- S(d);OGATE,P_SPINS(d),XS(F)::QAB1(B),XS(d)
- R(f);N_GUARD::S(I),XR(f)
- Refutation
- S(d);XR(K)
- Try
- P(D);
- Threat
- QAB(B)+S(F),DCHECK,XS(d)
- Vars
- R(f);N_GUARD,P_PINS(I),XB(L)::P(C)
- B(e);N_GUARD,XB(L)::R1(E),XP(a)
- S(d);OGATE,P_SPINS(d),XS(F)::QAB1(B),XS(d)
- R(f);N_GUARD::S(I),XR(f)
- Refutation
- S(d);XR(K)
- Try
- Actual
- P(D);
- Threat
- QAB(B)+S(F),DCHECK,XS(d)
- Vars
- R(f);N_GUARD,P_PINS(I),XB(L)::P(C)
- B(e);N_GUARD,XB(L)::R1(E),XP(a)
- S(d);OGATE,P_SPINS(d),XS(F)::QAB1(B),XS(d)
- S(d);N_GUARD,XR(K)::QAB(B)+S(F)
- R(f);N_GUARD::S(I),XR(f)
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).