MESON Chess Problem Database
Problem Display
PID: 139491 (1Q1N4/n2pb3/3r4/p2kP3/4R3/8/bK2p3/6BB w - - 0 1)
Ahues, Herbert Siegfried Oskar
Rochade Europa, 2010
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Ra4#
- 2.Rb4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rb6+
- 2.Rb4#
- 1...Rc6
- 2.Ra4#
- 2.Rb4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Re6
- 2.Ra4#
- 2.Rb4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rf6
- 2.Rf4#
- 1...Rg6
- 2.Rg4#
- 1...Rh6
- 2.Rh4#
- 1...Bb1
- 2.Qb3#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Rxe2#
- 1...Bh4
- 2.Qxd6#
- 1...Bg5
- 2.Qxd6#
- 1...Bf6
- 2.Qxd6#
- 1...Bxd8
- 2.Qxd6#
- 1...Sb5
- 2.Qxb5#
- 1...Sc6
- 2.Qb5#
- 1...Sc8
- 2.Qb5#
- 1...Ra6
- Tries
- 1.Kxa2?
- threat
- 2.Qb3#
- 1...Bxd8
- 2.Qxd6#
- 1...Rb6
- 2.Ra4#
- 2.Rb4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rc6
- 2.Ra4#
- 2.Rb4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Sb5
- 2.Qxb5#
- 1...a4!
- threat
- 1.Bxa7?
- threat
- 2.Qb5#
- 1...Bxd8
- 2.Qxd6#
- 1...Ra6
- 2.Ra4#
- 2.Rb4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rc6
- 2.Ra4#
- 2.Rb4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Re6
- 2.Ra4#
- 2.Rb4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rf6
- 2.Rd4#
- 2.Rf4#
- 1...Rg6
- 2.Rd4#
- 2.Rg4#
- 1...Rh6
- 2.Rd4#
- 2.Rh4#
- 1...Bc4
- 2.Rxe2#
- 2.Re3#
- 1...Rb6+!
- threat
- 1.Re3+?
- 1...Kc4
- 2.Rc3#
- 1...Kc5
- 2.Rc3#
- 1...Kd4!
- 1...Kc4
- 1.Qc7?
- threat
- 2.Rxe2#
- 2.Qc5#
- 1...Rb6+
- 2.Rb4#
- 1...Bxd8
- 2.Qxd6#
- 1...e1Q
- 2.Rxe1#
- 2.Re2#
- 2.Qc5#
- 1...e1S
- 2.Rxe1#
- 2.Qc5#
- 1...e1B
- 2.Rxe1#
- 2.Re2#
- 2.Qc5#
- 1...e1R
- 2.Rxe1#
- 2.Re2#
- 2.Qc5#
- 1...Ra6
- 2.Rxe2#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rc6
- 2.Ra4#
- 2.Rb4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Re6
- 2.Rxe2#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Rf6
- 2.Rd4#
- 2.Rf4#
- 1...Rg6
- 2.Rd4#
- 2.Rg4#
- 1...Rh6
- 2.Rd4#
- 2.Rh4#
- 1...Bb1
- 2.Qc4#
- 2.Qc5#
- 1...Sc6!
- threat
- 1.Qb4?
- threat
- 2.Rxe2#
- 2.Re3#
- 2.Qd2#
- 2.Qc5#
- 2.Qd4#
- 1...Bxd8
- 2.Qxd6#
- 1...e1Q
- 2.Rxe1#
- 2.Re2#
- 2.Re3#
- 2.Qc5#
- 2.Qd4#
- 1...e1S
- 2.Rxe1#
- 2.Qc5#
- 2.Qd4#
- 1...e1B
- 2.Rxe1#
- 2.Re2#
- 2.Re3#
- 2.Qc5#
- 2.Qd4#
- 1...e1R
- 2.Rxe1#
- 2.Re2#
- 2.Re3#
- 2.Qd2#
- 2.Qc5#
- 2.Qd4#
- 1...Ra6
- 2.Rxe2#
- 2.Re3#
- 2.Qd2#
- 2.Qd4#
- 1...Rb6
- 2.Rxe2#
- 2.Re3#
- 1...Rc6
- 2.Rxe2#
- 2.Re3#
- 2.Qd2#
- 2.Qd4#
- 1...Re6
- 2.Rxe2#
- 2.Re3#
- 2.Qd2#
- 2.Qd4#
- 1...Rf6
- 2.Qd2#
- 2.Qd4#
- 1...Rg6
- 2.Qd2#
- 2.Qd4#
- 1...Rh6
- 2.Qd2#
- 2.Qd4#
- 1...Bb1
- 2.Qc5#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 1...Bc4
- 2.Rxe2#
- 2.Qc5#
- 2.Qxc4#
- 1...Bg5
- 2.Rxe2#
- 2.Re3#
- 2.Qc5#
- 2.Qxd6#
- 2.Qd4#
- 1...Sb5
- 2.Rxe2#
- 2.Re3#
- 2.Qc5#
- 2.Qxb5#
- 1...Sc6
- 2.Rxe2#
- 2.Re3#
- 2.Qc5#
- 2.Qb5#
- 1...axb4!
- threat
- 1.Qb6?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...Bxd8
- 2.Qxd6#
- 1...Rc6
- 2.Qd4#
- 1...Re6
- 2.Qd4#
- 1...Rf6
- 2.Qd4#
- 1...Rg6
- 2.Qd4#
- 1...Rh6
- 2.Qd4#
- 1...Sb5
- 2.Qc5#
- 2.Qxb5#
- 1...Sc6
- 2.Qc5#
- 2.Qb5#
- 1...Rxb6+!
- threat
- 1.Qb7+?
- 1...Sc6
- 2.Qb5#
- 1...Rc6!
- 1...Sc6
- 1.Kxa2?
- Keys
- 1.Kc3!
- threat
- 2.Rxe2#
- 1...Rc6+
- 2.Rc4#
- 1...Sb5+
- 2.Qxb5#
- 1...e1Q+
- 2.Rxe1#
- 1...e1B+
- 2.Rxe1#
- 1...Bxd8
- 2.Qxd6#
- 1...e1S
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Re2#
- 1...Rf6
- 2.Rf4#
- 1...Rg6
- 2.Rg4#
- 1...Rh6
- 2.Rh4#
- 1...Bb1
- 2.Qb3#
- threat
- 1.Kc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(e);CHECK::B(B)+R(D)
- R(e);::B(B)+R(D)
- B(a);N_GUARD::QAB(F)
- B(a);N_GUARD::QAB(F),XB(a)
- B(a);SBLOCK::B(B)+R(D),XP(b)
- B(h);N_GUARD::QAR1(F),XR(e)
- B(h);N_GUARD,P_PINP(E)::QAR1(F),XR(e)
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- S(f);N_GUARD::QAR2(F),XS(f)
- S(f);N_GUARD::QAR2(F)
- Tries
- Try
- K(C);P-FLIGHT,XB(a)
- Threat
- QAB(F)
- Vars
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- S(f);N_GUARD::QAR2(F),XS(f)
- Refutation
- P(c);
- Try
- B(A);XS(f)
- Threat
- QAR2(F)
- Vars
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- Refutation
- R(e);CHECK
- Try
- R(D);CHECK
- Vars
- K(d);S_FLIGHT::R1(D)
- K(d);P-FLIGHT::B(A)+R(D),DCHECK
- Refutation
- K(d);P-FLIGHT
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK::B(B)+R(D)
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- Refutation
- S(f);
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- Refutation
- P(c);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- R(e);::QAR1(F)
- Refutation
- R(e);CHECK,XQ(F)
- Try
- Q(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR2(F)
- Refutation
- R(e);P_SPINR(e)
- Try
- Actual
- K(C);S_FLIGHT
- Threat
- B(B)+R(D),XP(b)
- Vars
- R(e);CHECK::B(B)+R(D)
- S(f);CHECK,N_GUARD::QAR2(F),XS(f)
- P(b);CHECK,OGATE::B(B)+R(D),XQ(b)
- P(b);CHECK,OGATE::B(B)+R(D),XB(b)
- B(h);N_GUARD,XS(G)::QAR1(F),XR(e)
- P(b);OGATE::B(B)+R(D),XS(b)
- R(e);::B(B)+R(D)
- B(a);N_GUARD::QAB(F)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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