MESON Chess Problem Database
Problem Display
PID: 139858 (8/8/R1pp4/1pkP3p/pN1r2pB/pb1pQ1K1/P2N1P2/1R6 w - - 0 1)
Feenstra Kuiper, Pieter
1st Prize, Nederlandse Bond van Probleemvrienden 062. TT, 1945
#2
10 + 11
| 102 | Probleemblad | 1974 |
SOLUTION
- SOUND
- Sets
- 1...Kxb4
- 2.Qxd4#
- 1...Bd1
- 2.Rxc6#
- 1...Bxa2
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 1...Kxb4
- Tries
- 1.Kh2?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...g3+!
- 1...Kxb4
- 1.Sxb3+?
- 1...Kxb4
- 2.Qxd4#
- 1...Kc4
- 2.Qxd4#
- 1...axb3!
- 1...Kxb4
- 1.Sf3?
- threat
- 2.Qxd4#
- 1...Kxb4
- 2.Qxd4#
- 1...Kc4
- 2.Qxd4#
- 1...gxf3!
- threat
- 1.Se4+?
- 1...Kxb4
- 2.Qxd4#
- 1...Kc4!
- 1...Kxb4
- 1.Bg5?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...h4+!
- 1...Kxb4
- 1.Bf6?
- threat
- 2.Qxd4#
- 1...Kxb4
- 2.Qxd4#
- 1...h4+!
- threat
- 1.Be7?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 2.Bxd6#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...h4+!
- 1...Kxb4
- 1.Bd8?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Bb6#
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 2.Bb6#
- 1...cxd5
- 2.Sxd3#
- 1...Bd1
- 2.Bb6#
- 2.Rxc6#
- 1...Bc2
- 2.Bb6#
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Bb6#
- 2.Rxc6#
- 1...h4+!
- 1...Kxb4
- 1.Rb2?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...axb2!
- 1...Kxb4
- 1.Rxb3?
- threat
- 2.Rxc6#
- 1...cxd5
- 2.Sxd3#
- 2.Rc6#
- 1...axb3!
- threat
- 1.f3?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...gxf3!
- 1...Kxb4
- 1.f4?
- 1...Kxb4
- 2.Qxd4#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Sxd3#
- 1...cxd5
- 2.Sxd3#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Se4#
- 2.Rxc6#
- 1...gxf4 ep!
- 1...Kxb4
- 1.Kh2?
- Keys
- 1.Qe5!
- 1...Kxb4
- 2.Qxd4#
- 1...Rxb4
- 2.Rxc6#
- 1...Rxd5
- 2.Sxd3#
- 1...Bxa2
- 2.Rxc6#
- 1...Bxd5
- 2.Rxc6#
- 1...cxd5
- 2.Qxd6#
- 1...dxe5
- 2.Be7#
- 1...Rc4
- 2.Sxd3#
- 1...Re4
- 2.Sxd3#
- 1...Rf4
- 2.Sxd3#
- 1...Bd1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bc4
- 2.Rxc6#
- 1...Kxb4
- 1.Qe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);::R1(J),XP(j)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- B(b);::R1(J),XP(j)
- Refutation
- P(f);CHECK
- Try
- S(C);CHECK,XB(b)
- Vars
- K(h);N_SPINR(e),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- K(h);N_SPINR(e),P-FLIGHT::QAR1(E),XR(e)
- Refutation
- P(d);XS(C)
- Try
- S(C);
- Threat
- QAB1(E),XR(e)
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- K(h);N_SPINR(e),P-FLIGHT::QAR1(E),XR(e)
- Refutation
- P(f);XS(C)
- Try
- S(C);CHECK
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- Refutation
- K(h);N_SPINR(e),P-FLIGHT
- Try
- B(H);
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- B(b);::R1(J),XP(j)
- Refutation
- P(i);CHECK
- Try
- B(H);
- Threat
- QAB1(E),XR(e)
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- Refutation
- P(i);CHECK
- Try
- B(H);P_PINP(k)
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- B(b);::R1(J),XP(j)
- Refutation
- P(i);CHECK
- Try
- B(H);
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- Refutation
- P(i);CHECK
- Try
- R(A);
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- B(b);::R1(J),XP(j)
- Refutation
- P(a);XR(A)
- Try
- R(A);XB(b)
- Threat
- R1(J),XP(j)
- Refutation
- P(d);XR(A)
- Try
- P(D);
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- B(b);::R1(J),XP(j)
- Refutation
- P(f);XP(D)
- Try
- P(D);
- Vars
- K(h);N_SPINR(e),P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- B(b);XP(B)::R1(J),XP(j)
- B(b);SBLOCK,XP(I)::S(G),XP(c)
- P(j);SBLOCK,XP(I)::S(G),XP(c)
- B(b);::R1(J),XP(j)
- Refutation
- P(f);EP,XP(D)
- Try
- Actual
- Q(E);N_PINR(e)
- Vars
- K(h);P_SPINB(b),S_FLIGHT,XS(G)::QAR2(E),XR(e)
- R(e);SBLOCK,XS(G)::R1(J),XP(j)
- R(e);N_GUARD,P_SPINR(e),XP(I)::S(G),XP(c)
- B(b);XP(B)::R1(J),XP(j)
- B(b);P_SPINB(b),XP(I)::R1(J),XP(j)
- P(j);P_SPINP(j),XP(I)::QAB1(E),XP(k)
- P(k);OGATEB,XQ(E)::B(H)
- R(e);N_GUARD::S(G),XP(c)
- B(b);::R1(J),XP(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).