MESON Chess Problem Database
Problem Display
PID: 225460 (2K5/3NQpp1/8/2P3B1/1R2p1r1/2Nk3b/R2P1r1b/2nBn1q1 w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Praca, 1994
#2
10 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rff4
- 2.Se5#
- 1...Rg2
- 2.Qxe4#
- 1...Rg3
- 2.Qd6#
- 2.Qxe4#
- 1...Rgf4
- 2.Qd6#
- 1...Rxg5
- 2.Qxe4#
- 1...Bf4
- 2.Qxe4#
- 1...Be5
- 2.Sxe5#
- 1...Bd6
- 2.Qxd6#
- 1...Sc2
- 2.Bxc2#
- 1...Sg2
- 2.Bc2#
- 1...Sf3
- 2.Bc2#
- 1...e3
- 2.Qxe3#
- 1...Rff4
- Tries
- 1.Bf4?
- threat
- 2.Se5#
- 2.Qd6#
- 2.Qxe4#
- 1...Rfxf4
- 2.Se5#
- 1...Rgxf4
- 2.Qd6#
- 1...Bxf4
- 2.Qxe4#
- 1...Qh1
- 2.Se5#
- 2.Qd6#
- 1...Qg2
- 2.Se5#
- 2.Qd6#
- 1...Rf1
- 2.Se5#
- 2.Qxe4#
- 1...Re2
- 2.Se5#
- 1...Rfg2
- 2.Se5#
- 2.Qxe4#
- 1...Rf3
- 2.Se5#
- 2.Qxe4#
- 1...Rgg2
- 2.Qd6#
- 2.Qxe4#
- 1...Rg3
- 2.Qd6#
- 2.Qxe4#
- 1...Rh4
- 2.Qd6#
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Rg6
- 2.Qxe4#
- 1...Bg2
- 2.Se5#
- 2.Qd6#
- 1...Se2
- 2.Se5#
- 2.Qxe4#
- 1...Sb3
- 2.Se5#
- 2.Qxe4#
- 1...Sc2
- 2.Se5#
- 2.Bxc2#
- 2.Qxe4#
- 1...Sf3
- 2.Bc2#
- 2.Qxe4#
- 1...e3
- 2.Se5#
- 2.Qd6#
- 2.Qxe3#
- 2.Qe4#
- 1...f5
- 2.Se5#
- 2.Qd6#
- 1...f6
- 2.Qd6#
- 2.Qxe4#
- 1...Rxd2!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.Qa6#
- 1...Rxd2
- 2.Qc4#
- 1...Rxg5
- 2.Qc4#
- 2.Qxe4#
- 2.Qa6#
- 1...Rf1
- 2.Qc4#
- 2.Qa6#
- 1...Re2
- 2.Qc4#
- 2.Qa6#
- 1...Rfg2
- 2.Qc4#
- 2.Qa6#
- 1...Rf3
- 2.Qc4#
- 2.Qa6#
- 1...Rff4
- 2.Se5#
- 2.Qc4#
- 2.Qa6#
- 1...Rf5
- 2.Qc4#
- 2.Qa6#
- 1...Rf6
- 2.Qc4#
- 1...Be5
- 2.Sxe5#
- 2.Qc4#
- 2.Qa6#
- 1...Bd6
- 2.Qc4#
- 2.Qd5#
- 2.Qxd6#
- 1...Se2
- 2.Qc4#
- 2.Qa6#
- 1...Sb3
- 2.Qc4#
- 2.Qa6#
- 1...Sc2
- 2.Bxc2#
- 2.Qc4#
- 2.Qa6#
- 1...Sf3
- 2.Bc2#
- 2.Qc4#
- 2.Qa6#
- 1...e3
- 2.Qxe3#
- 1...fxe6!
- threat
- 1.Bf4?
- Keys
- 1.Sa4!
- threat
- 2.Sb2#
- 1...Rxd2
- 2.Rxd2#
- 1...Rxg5
- 2.Qxe4#
- 1...Rff4
- 2.Se5#
- 1...Rgf4
- 2.Qd6#
- 1...Bf4
- 2.Qxe4#
- 1...Be5
- 2.Sxe5#
- 1...e3
- 2.Qxe3#
- threat
- 1.Sa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(d);S_CUTB(e)::S(H)
- R(i);N_GUARD,P_PINS(H)::QAB1(I),XP(h)
- R(i);P_PINS(H),S_CUTB(e)::QAR(I)
- R(i);N_GUARD,P_PINS(H),XB(G)::QAB1(I),XP(h)
- B(e);S_CUTR(i)::QAB1(I),XP(h)
- B(e);N_GUARD::S(H),XB(e)
- B(e);N_GUARD::QAR(I),XB(e)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- P(h);OGATE::QAR1(I),XP(h)
- Tries
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- R(d);XB(G)::S(H)
- R(i);P_PINS(H),XB(G)::QAR(I)
- B(e);XB(G)::QAB1(I),XP(h)
- R(d);::S(H)
- R(i);P_PINS(H)::QAB1(I),XP(h)
- Refutation
- R(d);XP(C)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- R(d);XP(C)::QAB1(I)
- R(d);::QAB1(I)
- P(h);OGATE::QAR1(I),XP(h)
- Refutation
- P(j);XQ(I)
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- R(d);OGATE,XP(C)::R1(B),XR(d)
- R(i);N_GUARD,P_PINS(H),XB(G)::QAB1(I),XP(h)
- R(d);S_CUTB(e)::S(H)
- R(i);P_PINS(H),S_CUTB(e)::QAR(I)
- B(e);S_CUTR(i)::QAB1(I),XP(h)
- B(e);N_GUARD::S(H),XB(e)
- P(h);OGATE::QAR1(I),XP(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).