MESON Chess Problem Database
Problem Display
PID: 49847 (3r4/1qb4b/2N1p3/nr6/7Q/2Bk2pN/1pR1R3/1K6 w - - 0 1)
Muranenko, NJ
Rochade Europa, 2003
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Qe4#
- 1...Rd4
- 2.Qxd4#
- 1...Ra8
- 2.Qd4#
- 1...Rb8
- 2.Qd4#
- 1...Rc8
- 2.Qd4#
- 1...Re8
- 2.Qd4#
- 1...Rf8
- 2.Qd4#
- 1...Rg8
- 2.Qd4#
- 1...Rh8
- 2.Qd4#
- 1...Bd6
- 2.Qd4#
- 1...Be4
- 2.Qxe4#
- 1...Bg8
- 2.Qe4#
- 1...g2
- 2.Sf2#
- 1...Rf5
- Tries
- 1.Bxb2?
- threat
- 2.Rcd2#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Be4
- 2.Qxe4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Rxb2+!
- threat
- 1.Bb4?
- threat
- 2.Rcd2#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Be4
- 2.Qxe4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Rxb4!
- threat
- 1.Bd4?
- threat
- 2.Red2#
- 2.Re3#
- 1...Rxd4
- 2.Qxd4#
- 1...Re5
- 2.Sf4#
- 2.Red2#
- 1...Bf4
- 2.Sxf4#
- 1...Sb3
- 2.Re3#
- 1...Sc4!
- threat
- 1.Bxa5?
- threat
- 2.Rcd2#
- 2.Qc4#
- 1...Qxc6
- 2.Rcd2#
- 1...Rxa5
- 2.Qc4#
- 1...Bxa5
- 2.Sf4#
- 2.Qxg3#
- 2.Qc4#
- 1...Rc5
- 2.Rcd2#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Be4
- 2.Qxe4#
- 1...Rb4!
- threat
- 1.Be5?
- threat
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 2.Qxh7#
- 1...Qxc6
- 2.Sf4#
- 2.Rcd2#
- 1...Rxe5
- 2.Sf4#
- 1...Qb6
- 2.Sf4#
- 2.Rcd2#
- 2.Qxh7#
- 1...Qa7
- 2.Sf4#
- 2.Rcd2#
- 2.Qxh7#
- 1...Rb4
- 2.Rcd2#
- 2.Qxg3#
- 1...Rd4
- 2.Qxg3#
- 2.Qxd4#
- 1...Rd7
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 1...Rf8
- 2.Rcd2#
- 2.Qd4#
- 1...Rg8
- 2.Sf4#
- 2.Rcd2#
- 2.Qd4#
- 1...Rh8
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 2.Qd4#
- 1...Bb6
- 2.Sf4#
- 2.Rcd2#
- 1...Bd6
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 2.Qd4#
- 1...Bb8
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 1...Be4
- 2.Sf4#
- 2.Qxe4#
- 1...Bf5
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 1...Bg6
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 1...Bg8
- 2.Sf4#
- 2.Rcd2#
- 2.Qxg3#
- 2.Qe4#
- 1...Sb3
- 2.Sf4#
- 2.Qxg3#
- 2.Qc4#
- 2.Qxh7#
- 1...Sc4
- 2.Sf4#
- 2.Qxc4#
- 2.Qxh7#
- 1...g2
- 2.Sf2#
- 2.Sf4#
- 2.Rcd2#
- 2.Qg3#
- 2.Qxh7#
- 1...Bxe5!
- threat
- 1.Bf6?
- threat
- 2.Rcd2#
- 1...Re5
- 2.Sf4#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Be4
- 2.Qxe4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...e5
- 2.Qxg3#
- 1...Be5!
- threat
- 1.Bh8?
- threat
- 2.Rcd2#
- 1...Rxh8
- 2.Qd4#
- 1...Re5
- 2.Sf4#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Be4
- 2.Qxe4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...e5
- 2.Qxg3#
- 1...Be5!
- threat
- 1.Bxb2?
- Keys
- 1.Bg7!
- threat
- 2.Rcd2#
- 1...Re5
- 2.Sf4#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sxf4#
- 1...Be5
- 2.Qxh7#
- 1...Be4
- 2.Qxe4#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...e5
- 2.Qxg3#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 11
- Sets
- R(e);S_CUTB(i)::QAB1(F)
- R(j);N_GUARD::QAR1(F),XR(j)
- R(j);N_GUARD::QAR1(F)
- B(h);S_CUTR(j)::QAR1(F)
- B(i);N_GUARD::QAB1(F),XB(i)
- B(i);N_GUARD::QAB1(F)
- P(c);N_GUARD::S(E)
- Tries
- Try
- B(D);P_SPINB(D),XP(a)
- Threat
- R1(B)
- Vars
- R(j);N_GUARD::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(d);N_GUARD,N_PINB(D)::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- Refutation
- R(e);CHECK,XB(D)
- Try
- B(D);
- Threat
- R1(B)
- Vars
- R(j);N_GUARD::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(d);N_GUARD::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- Refutation
- R(e);XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(j);OGATE,XB(D)::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- S(d);::R1(C)
- Refutation
- S(d);
- Try
- B(D);XS(d)
- Threat
- DUALS(2)
- Vars
- Q(g);XS(G)::R1(B)
- R(e);XB(D)::QAB1(F)
- R(e);::R1(B)
- R(j);N_GUARD::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- B(i);N_GUARD::QAB1(F),XB(i)
- Refutation
- R(e);
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- R(e);XB(D)::S(E)
- Refutation
- B(h);XB(D)
- Try
- B(D);
- Threat
- R1(B)
- Vars
- R(e);S_CUTB(h)::S(E)
- R(j);N_GUARD::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(d);N_GUARD::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- P(f);S_CUTB(h)::QAR(F),XP(c)
- Refutation
- B(h);
- Try
- B(D);
- Threat
- R1(B)
- Vars
- R(j);N_GUARD,XB(D)::QAR1(F)
- R(e);S_CUTB(h)::S(E)
- R(j);N_GUARD::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(d);N_GUARD::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- P(f);S_CUTB(h)::QAR(F),XP(c)
- Refutation
- B(h);
- Try
- Actual
- B(D);
- Threat
- R1(B)
- Vars
- R(e);S_CUTB(h)::S(E)
- R(j);N_GUARD::QAR1(F),XR(j)
- B(h);N_GUARD::S(E),XB(h)
- B(h);S_CUTR(e)::QAB(F),XB(i)
- B(i);N_GUARD::QAB1(F),XB(i)
- S(d);N_GUARD::QAB1(F)
- S(d);N_GUARD::QAB1(F),XS(d)
- P(f);S_CUTB(h)::QAR(F),XP(c)
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).