MESON Chess Problem Database
Problem Display
PID: 133457 (3b4/2QPNpnp/3P3R/r1n1k3/r2N3K/2PP3P/1B2pR2/3b3B w - - 0 1)
Retter, Yosef
1st Comm., Jurmala, 2008
#2
13 + 10
| 721 | Variantim | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Rxd4+
- 2.cxd4#
- 1...Ra6
- 2.Qxc5#
- 1...Ra7
- 2.Qxc5#
- 1...Ra8
- 2.Qxc5#
- 1...Bxc7
- 2.Sc6#
- 1...Bxe7+
- 2.dxe7#
- 1...Se4
- 2.Sc6#
- 1...Sf5+
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Se6
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...f6
- 2.Sc6#
- 1...Ra1
- Tries
- 1.Be4?
- threat
- 2.Sc6#
- 1...Bxe7+
- 2.dxe7#
- 1...Sf5+
- 2.Rxf5#
- 1...Rxd4
- 2.cxd4#
- 1...Ra6
- 2.Qxc5#
- 1...f6
- 2.Sec6#
- 1...Sxd3!
- threat
- 1.Rxe2+?
- 1...Kf4
- 2.Bc1#
- 1...Se4
- 2.Rxe4#
- 1...Bxe2!
- 1...Kf4
- 1.Rh5+?
- 1...Sf5+
- 2.Rfxf5#
- 2.Rhxf5#
- 1...Sxh5
- 2.Rf5#
- 1...f5!
- 1...Sf5+
- 1.c4?
- threat
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Bxe7+
- 2.dxe7#
- 1...Sf5+
- 2.Sxf5#
- 2.Rxf5#
- 1...Bxc7
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sb5#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sec6#
- 1...Sxd3
- 2.Sc6#
- 1...e1Q
- 2.Sc6#
- 1...e1S
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...e1B
- 2.Sc6#
- 1...e1R
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sb3#
- 2.Sc6#
- 1...Rb4
- 2.Sb3#
- 2.Sc6#
- 1...Rb5
- 2.Sb3#
- 2.Sxb5#
- 2.Sc6#
- 1...Bc2
- 2.Sxc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Bb3
- 2.Sc2#
- 2.Sxe2#
- 2.Sxb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Sb3
- 2.Sxb3#
- 2.Sc6#
- 1...Se4
- 2.Sc6#
- 1...Sce6
- 2.Sc6#
- 2.Sxe6#
- 1...Sge6
- 2.Sc6#
- 2.Sxe6#
- 2.Rf5#
- 1...f5
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sb5#
- 2.Sxf5#
- 2.Sc6#
- 2.Se6#
- 1...f6
- 2.Sec6#
- 1...Rxc4!
- threat
- 1.Be4?
- Keys
- 1.Rhf6!
- threat
- 2.Sc6#
- 1...Rxd4+
- 2.cxd4#
- 1...Sf5+
- 2.R2xf5#
- 2.R6xf5#
- 1...Bxe7
- 2.dxe7#
- 1...Ra6
- 2.Qxc5#
- 1...Se4
- 2.Sdc6#
- threat
- 1.Rhf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(c);N_PINS(G),P_PINS(M)::S(G)
- R(c);CHECK,OGATE,P_PINS(M),XS(G)::P(D),XR(c)
- R(d);N_GUARD::QAR2(K),XS(e)
- B(j);XQ(K)::S(M)
- B(j);CHECK,OGATE,XS(M)::QAB(K)+P(I),XB(j)
- S(e);N_PINS(G),P_PINS(M)::S(G)
- S(h);CHECK,N_GUARD::R1(C),XS(h)
- S(h);N_GUARD::R1(C)
- P(g);::S(M)
- Tries
- Try
- B(A);N_SPINS(G),P_SPINS(M)
- Threat
- S(G)
- Vars
- B(j);CHECK,OGATE,XS(M)::QAB(K)+P(I),XB(j)
- S(h);CHECK,N_GUARD::R1(C),XS(h)
- R(c);OGATE,P_PINB(A),XS(G)::P(D),XR(c)
- R(d);N_GUARD::QAR2(K),XS(e)
- P(g);N_PINS(M)::S(M)
- Refutation
- S(e);XP(E)
- Try
- R(C);CHECK,XP(b)
- Vars
- K(f);N_PINS(G),P_PINS(M),S_FLIGHT::B(B)
- S(e);N_GUARD,N_PINS(G),P_PINS(M),P_SPINS(e)::R1(C),XS(e)
- Refutation
- B(a);XR(C)
- Try
- R(J);CHECK
- Vars
- S(h);N_GUARD,XR(J)::R1(C)
- Refutation
- P(g);P_SPINP(g)
- Try
- P(D);N_SPINS(G),P_SPINS(M)
- Threat
- DUALS(7)
- Vars
- B(j);CHECK,OGATE,XS(M)::QAB(K)+P(I),XB(j)
- S(e);XP(E)::B(B)+S(G),DCHECK
- P(b);P_PINR(C)::B(B)+S(G),DCHECK
- R(c);::B(B)+S(G),DCHECK
- S(e);::B(B)+S(G),DCHECK
- P(g);N_PINS(M)::S(M)
- Refutation
- R(c);N_PINS(M),P_PINS(G),XP(D)
- Try
- Actual
- R(J);
- Threat
- S(M)
- Vars
- R(c);CHECK,OGATE,XS(G)::P(D),XR(c)
- B(j);OGATE,P_PINR(J),XS(M)::QAB(K)+P(I),XB(j)
- R(d);N_GUARD::QAR2(K),XS(e)
- S(e);N_PINS(G)::S(G)
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).