MESON Chess Problem Database
Problem Display
PID: 210199 (1q1r4/1pNR4/1Q1K1kPB/2NB2R1/1bp5/5p2/4b3/8 w - - 0 1)
Paslack, Rainer
Deutsche Schachblatter, 1993
#2
9 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Rc8
- 2.Rf7#
- 1...Re8
- 2.Rf7#
- 1...Rg8
- 2.Rf7#
- 1...Rh8
- 2.Rf7#
- 1...Be1
- 2.Se4#
- 1...Bd2
- 2.Se4#
- 1...Bc3
- 2.Se4#
- 1...Ba5
- 2.Se4#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qxc7+
- Tries
- 1.Bxf3?
- threat
- 2.Kd5#
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qa7
- 2.Sd5#
- 1...Re8
- 2.Rf7#
- 1...Ba5
- 2.Se4#
- 1...Bxf3!
- threat
- 1.Bxc4?
- threat
- 2.Kd5#
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qa7
- 2.Sd5#
- 1...Re8
- 2.Rf7#
- 1...Ba5
- 2.Se4#
- 1...Bxc4!
- threat
- 1.Be4?
- threat
- 2.Kd5#
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qa7
- 2.Sd5#
- 1...Re8
- 2.Rf7#
- 1...Ba5!
- threat
- 1.Bxb7?
- threat
- 2.Kd5#
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qa7
- 2.Sd5#
- 1...Re8
- 2.Rf7#
- 1...Ba5
- 2.Se4#
- 1...Qxb7!
- threat
- 1.Bf7?
- threat
- 2.Kd5#
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qa7
- 2.Sd5#
- 1...Ba5
- 2.Se4#
- 1...Re8!
- threat
- 1.Rf5+?
- 1...Kxg6
- 2.Ke5#
- 1...Kxf5!
- 1...Kxg6
- 1.Qxb4?
- threat
- 2.Se4#
- 2.Qc3#
- 1...Rxd7+
- 2.Sxd7#
- 1...Re8
- 2.Rf7#
- 1...Bd3
- 2.Qc3#
- 1...c3
- 2.Se4#
- 2.Qxc3#
- 2.Qd4#
- 2.Qf4#
- 1...Qxc7+!
- threat
- 1.Bxf3?
- Keys
- 1.Bg8!
- threat
- 2.Kd5#
- 1...Qxc7+
- 2.Kxc7#
- 1...Rxd7+
- 2.Kxd7#
- 1...Bxc5+
- 2.Kxc5#
- 1...Qa7
- 2.Sd5#
- 1...Re8
- 2.Rf7#
- 1...Ba5
- 2.Se4#
- threat
- 1.Bg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- R(h);N_PINR(I)::R1(I)
- B(c);N_PINS(A),P_PINS(H)::S(A)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Tries
- Try
- B(B);XP(b)
- Threat
- QAR(D)+K(E)
- Vars
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Q(g);::S(H)
- R(h);N_PINR(I)::R1(I)
- B(c);N_PINS(A),P_PINS(H)::S(A)
- Refutation
- B(a);XB(B)
- Try
- B(B);XP(d)
- Threat
- QAR(D)+K(E)
- Vars
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Q(g);::S(H)
- R(h);N_PINR(I)::R1(I)
- B(c);N_PINS(A),P_PINS(H)::S(A)
- Refutation
- B(a);XB(B)
- Try
- B(B);
- Threat
- QAR(D)+K(E)
- Vars
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Q(g);::S(H)
- R(h);N_PINR(I)::R1(I)
- Refutation
- B(c);N_PINS(A),P_PINS(H)
- Try
- B(B);XP(f)
- Threat
- QAR(D)+K(E)
- Vars
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Q(g);::S(H)
- R(h);N_PINR(I)::R1(I)
- B(c);N_PINS(A),P_PINS(H)::S(A)
- Refutation
- Q(g);XB(B)
- Try
- B(B);
- Threat
- QAR(D)+K(E)
- Vars
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Q(g);::S(H)
- B(c);N_PINS(A),P_PINS(H)::S(A)
- Refutation
- R(h);N_PINR(I)
- Try
- R(C);CHECK
- Vars
- K(e);P-FLIGHT,XP(F)::QAR(D)+K(E)
- Refutation
- K(e);P-FLIGHT,XR(C)
- Try
- Q(D);N_SPINS(A),P_SPINS(H),XB(c)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,XR(I)::S(A),XR(h)
- R(h);N_PINR(I)::R1(I)
- B(a);::QAB(D)
- Refutation
- Q(g);CHECK,XS(H)
- Try
- Actual
- B(B);
- Threat
- QAR(D)+K(E)
- Vars
- Q(g);CHECK,XS(H)::QAR(D)+K(E),XQ(g)
- R(h);CHECK,XR(I)::QAR(D)+K(E),XR(h)
- B(c);CHECK,P_PINS(H),XS(A)::QAR(D)+K(E),XB(c)
- Q(g);::S(H)
- R(h);N_PINR(I)::R1(I)
- B(c);N_PINS(A),P_PINS(H)::S(A)
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).