MESON Chess Problem Database
Problem Display
PID: 136346 (7B/p2N1P1B/Q1p1p1Rp/n1Pk4/1Pr5/5P2/3PNK2/4R3 w - - 0 1)
Supp, Walter
Rochade Europa, 1990
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sf4#
- 2.Qd3#
- 1...Rc2
- 2.Sf4#
- 2.Qd3#
- 1...Rc3
- 2.Sxc3#
- 2.Sf4#
- 1...Rxb4
- 2.Sc3#
- 1...Rd4
- 2.Sc3#
- 1...Re4
- 2.Sc3#
- 1...Rf4
- 2.Sc3#
- 2.Sxf4#
- 1...Rg4
- 2.Sc3#
- 1...Rh4
- 2.Sc3#
- 1...Rxc5
- 2.Qd3#
- 1...e5
- 2.Rd6#
- 1...Rc1
- Tries
- 1.Bd4?
- threat
- 2.Sf6#
- 1...Rxd4
- 2.Sc3#
- 1...e5
- 2.Rd6#
- 1...Rxc5!
- threat
- 1.Rc1?
- 1...Rxc1
- 2.Sf4#
- 2.Qd3#
- 1...Rxb4
- 2.Sc3#
- 1...Rxc5
- 2.Qd3#
- 1...Sb3
- 2.Qxc4#
- 1...Rc2
- 2.Sf4#
- 2.Qd3#
- 1...Rc3
- 2.Sxc3#
- 2.Sf4#
- 1...Rd4
- 2.Sc3#
- 1...Re4
- 2.Sc3#
- 1...Rf4
- 2.Sc3#
- 2.Sxf4#
- 1...Rg4
- 2.Sc3#
- 1...Rh4
- 2.Sc3#
- 1...Sb7
- 2.Qxc4#
- 1...e5
- 2.Rd6#
- 1...h5!
- 1...Rxc1
- 1.Rg5+?
- 1...e5
- 2.Rxe5#
- 1...hxg5!
- 1...e5
- 1.Rxe6?
- threat
- 2.Re5#
- 2.Rd6#
- 1...Rxc5
- 2.Sf4#
- 1...Re4
- 2.Rd6#
- 1...Sb7
- 2.Re5#
- 2.Qxc6#
- 1...Kxe6!
- threat
- 1.Qxc4+?
- 1...Sxc4
- 2.Sc3#
- 2.Sf4#
- 1...Kxc4!
- 1...Sxc4
- 1.Qxa7?
- threat
- 2.Sb6#
- 1...Rxc5
- 2.Qxc5#
- 1...Rxb4!
- threat
- 1.d4?
- threat
- 2.Sf4#
- 2.Sf6#
- 1...Rxd4
- 2.Sc3#
- 1...Rc2
- 2.Sf6#
- 1...e5
- 2.Rd6#
- 1...Rxc5!
- threat
- 1.bxa5?
- 1...Rxc5
- 2.Qd3#
- 1...Rc1
- 2.Sf4#
- 2.Qd3#
- 1...Rc2
- 2.Sf4#
- 2.Qd3#
- 1...Rc3
- 2.Sxc3#
- 2.Sf4#
- 1...Ra4
- 2.Sc3#
- 1...Rb4
- 2.Sc3#
- 1...Rd4
- 2.Sc3#
- 1...Re4
- 2.Sc3#
- 1...Rf4
- 2.Sc3#
- 2.Sxf4#
- 1...Rg4
- 2.Sc3#
- 1...Rh4
- 2.Sc3#
- 1...e5
- 2.Rd6#
- 2.Qxc6#
- 1...h5!
- 1...Rxc5
- 1.f8Q?
- threat
- 2.Qd6#
- 1...Rxc5
- 2.Sf4#
- 2.Qd3#
- 2.Qxc5#
- 1...Sb7!
- threat
- 1.Bd4?
- Keys
- 1.f4!
- threat
- 2.Sf6#
- 1...Rxf4+
- 2.Sxf4#
- 1...Ke4
- 2.Rg5#
- 1...Rxb4
- 2.Sc3#
- 1...Rxc5
- 2.Qd3#
- 1...e5
- 2.Rd6#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD,XP(F)::S(C)
- R(a);N_GUARD::S(C)
- R(a);OGATE,XP(G)::QAR2(H)
- P(e);OGATE::R1(I)
- Tries
- Try
- B(M);
- Threat
- S(J)
- Vars
- R(a);N_GUARD,SBLOCK,XB(M)::S(C)
- P(e);OGATE::R1(I)
- Refutation
- R(a);XP(G)
- Try
- R(A);
- Vars
- R(a);N_GUARD,XP(F)::S(C)
- R(a);OGATE,XP(G)::QAR2(H)
- S(b);N_GUARD::QAB1(H),XR(a)
- R(a);N_GUARD::S(C)
- P(e);OGATE::R1(I)
- Refutation
- P(f);
- Try
- R(I);CHECK
- Vars
- P(e);P_SPINP(e)::R1(I),XP(e)
- Refutation
- P(f);XR(I)
- Try
- R(I);XP(e)
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(G)::S(C)
- R(a);::R1(I)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XR(I)
- Try
- Q(H);CHECK,XR(a)
- Refutation
- K(c);S_FLIGHT,XQ(H)
- Try
- Q(H);XP(g)
- Threat
- S(J)
- Vars
- R(a);OGATE,XP(G)::QAR1(H),XR(a)
- Refutation
- R(a);XP(F)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(B)::S(C)
- R(a);P_PINS(C)::S(J)
- P(e);OGATE::R1(I)
- Refutation
- R(a);XP(G)
- Try
- P(F);XS(b)
- Vars
- R(a);OGATE,XP(G)::QAR2(H)
- R(a);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- P(K);
- Threat
- QAR1(K)
- Refutation
- S(b);
- Try
- Actual
- P(E);
- Threat
- S(J)
- Vars
- R(a);CHECK,XP(E)::S(C),XR(a)
- K(c);S_FLIGHT::B(L)+R(I)
- R(a);N_GUARD,XP(F)::S(C)
- R(a);OGATE,XP(G)::QAR2(H)
- P(e);OGATE::R1(I)
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).