MESON Chess Problem Database
Problem Display
PID: 118007 (1rb5/3NQP2/1r1RKR1q/6P1/4k1p1/4B3/2PPN1Pp/1n5n w - - 0 1)
Paslack, Rainer
Boletim da UBP, 1994-1995
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Rf4#
- 1...Qf8
- 2.Rf4#
- 1...Qh3
- 2.Rf4#
- 1...Qh4
- 2.Rf4#
- 1...Qh5
- 2.Rf4#
- 1...Qxf6+
- 2.Kxf6#
- 1...Qh7
- 2.Rf4#
- 1...Qh8
- 2.Rf4#
- 1...Rb2
- 2.Rd4#
- 1...Rb3
- 2.Rd4#
- 1...Rb5
- 2.Rd4#
- 1...Rxd6+
- 2.Kxd6#
- 1...R6b7
- 2.Rd4#
- 1...Ba6
- 2.Sc5#
- 1...Bb7
- 2.Sc5#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Qg7
- Tries
- 1.Bd4?
- threat
- 2.d3#
- 1...Qxf6+
- 2.Kxf6#
- 1...Rxd6+
- 2.Kxd6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sxd2
- 2.Sc3#
- 1...Qh3
- 2.Rf4#
- 1...Ba6
- 2.Sc5#
- 1...Sf2
- 2.Sg3#
- 1...Rb3!
- threat
- 1.Bf4?
- threat
- 2.d3#
- 1...Qxf6+
- 2.Kxf6#
- 1...Rxd6+
- 2.Kxd6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sxd2
- 2.Sc3#
- 1...Rb3
- 2.Rd4#
- 1...Ba6
- 2.Sc5#
- 1...Sf2
- 2.Sg3#
- 1...Qh3!
- threat
- 1.Bc5?
- threat
- 2.d3#
- 1...Qxf6+
- 2.Kxf6#
- 1...Rxd6+
- 2.Kxd6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sxd2
- 2.Sc3#
- 1...Qh3
- 2.Rf4#
- 1...Rb3
- 2.Rd4#
- 1...Sf2
- 2.Sg3#
- 1...Ba6!
- threat
- 1.Bxb6?
- threat
- 2.Rd4#
- 2.d3#
- 1...Qxf6+
- 2.Kxf6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sxd2
- 2.Sc3#
- 1...Qh3
- 2.Rd4#
- 2.Rf4#
- 1...Ba6
- 2.Sc5#
- 2.Rd4#
- 1...Sf2
- 2.Sg3#
- 2.Rd4#
- 1...Rxb6!
- threat
- 1.gxh6?
- threat
- 2.Rf4#
- 1...Rxd6+
- 2.Kxd6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sxd2!
- threat
- 1.Bd4?
- Keys
- 1.Bf2!
- threat
- 2.d3#
- 1...Qxf6+
- 2.Kxf6#
- 1...Rxd6+
- 2.Kxd6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Sxd2
- 2.Sc3#
- 1...Sxf2
- 2.Sg3#
- 1...Qh3
- 2.Rf4#
- 1...Rb3
- 2.Rd4#
- 1...Ba6
- 2.Sc5#
- threat
- 1.Bf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(g);OGATE::R1(I)
- Q(g);CHECK,XR(I)::QAR(K)+K(H),XQ(g)
- R(f);N_PINR(G),P_PINR(I)::R1(G)
- R(f);CHECK,P_PINR(I),XR(G)::QAR(K)+K(H),XR(f)
- B(i);N_PINS(J)::S(J)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(b);N_GUARD::S(C)
- S(b);N_GUARD::S(C),XS(b)
- Tries
- Try
- B(E);
- Threat
- P(B)
- Vars
- Q(g);CHECK,XR(I)::QAR(K)+K(H),XQ(g)
- R(f);CHECK,P_PINR(I),XR(G)::QAR(K)+K(H),XR(f)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- S(a);N_GUARD,XP(B)::S(C)
- Q(g);OGATE::R1(I)
- B(i);N_PINS(J)::S(J)
- S(b);N_GUARD::S(C)
- Refutation
- R(f);N_PINR(G),P_PINR(I)
- Try
- B(E);
- Threat
- P(B)
- Vars
- Q(g);CHECK,XR(I)::QAR(K)+K(H),XQ(g)
- R(f);CHECK,P_PINR(I),XR(G)::QAR(K)+K(H),XR(f)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- S(a);N_GUARD,XP(B)::S(C)
- R(f);N_PINR(G),P_PINR(I)::R1(G)
- B(i);N_PINS(J)::S(J)
- S(b);N_GUARD::S(C)
- Refutation
- Q(g);
- Try
- B(E);
- Threat
- P(B)
- Vars
- Q(g);CHECK,XR(I)::QAR(K)+K(H),XQ(g)
- R(f);CHECK,P_PINR(I),XR(G)::QAR(K)+K(H),XR(f)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- S(a);N_GUARD,XP(B)::S(C)
- Q(g);OGATE::R1(I)
- R(f);N_PINR(G),P_PINR(I)::R1(G)
- S(b);N_GUARD::S(C)
- Refutation
- B(i);N_PINS(J)
- Try
- B(E);N_SPINR(G),P_SPINR(I),XR(f)
- Threat
- DUALS(2)
- Vars
- Q(g);CHECK,XR(I)::QAR(K)+K(H),XQ(g)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- S(a);N_GUARD,XP(B)::S(C)
- Refutation
- R(h);N_PINR(I),P_PINR(G),XB(E)
- Try
- P(F);XQ(g)
- Threat
- R1(I)
- Vars
- R(f);CHECK,XR(G)::QAR(K)+K(H),XR(f)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- Refutation
- S(a);XP(B)
- Try
- Actual
- B(E);
- Threat
- P(B)
- Vars
- Q(g);CHECK,XR(I)::QAR(K)+K(H),XQ(g)
- R(f);CHECK,P_PINR(I),XR(G)::QAR(K)+K(H),XR(f)
- B(i);CHECK,XS(J)::QAR(K)+K(H),XB(i)
- S(a);N_GUARD,XP(B)::S(C)
- S(b);N_GUARD,XB(E)::S(C)
- Q(g);OGATE::R1(I)
- R(f);N_PINR(G),P_PINR(I)::R1(G)
- B(i);N_PINS(J)::S(J)
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).