MESON Chess Problem Database
Problem Display
PID: 249897 (K7/Q6p/2pkp2r/3B3r/P5P1/3N3p/8/B2R4 w - - 0 1)
Volkmann, Albert
Deutsche Schachzeitung, 1969
#2
8 + 7
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Qd4#
- 1...Kxd5
- Tries
- 1.Be5+?
- 1...Kxd5
- 2.Qd4#
- 1...Rxe5!
- 1...Kxd5
- 1.Bh1?
- threat
- 2.Se5#
- 1...e5
- 2.Sf4#
- 2.Sc5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...Rd5!
- threat
- 1.Ba2?
- threat
- 2.Se5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...e5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sc5#
- 2.Sxe5#
- 1...Rd5!
- threat
- 1.Bg2?
- threat
- 2.Se5#
- 1...e5
- 2.Sf4#
- 2.Sc5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...Rd5!
- threat
- 1.Bb3?
- threat
- 2.Se5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...e5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sc5#
- 2.Sxe5#
- 1...Rd5!
- threat
- 1.Bf3?
- threat
- 2.Se5#
- 1...e5
- 2.Sf4#
- 2.Sc5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...Rd5!
- threat
- 1.Bc4?
- threat
- 2.Se5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...e5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sc5#
- 2.Sxe5#
- 1...Rd5!
- threat
- 1.Be4?
- threat
- 2.Se5#
- 1...e5
- 2.Sf4#
- 2.Sc5#
- 1...Ra5
- 2.Sc5#
- 1...Rb5
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 2.Bxe5#
- 1...Rd5!
- threat
- 1.Bxc6?
- threat
- 2.Se5#
- 2.Qd7#
- 1...Kxc6
- 2.Sb4#
- 1...e5
- 2.Qd7#
- 1...Rd5
- 2.Qd7#
- 1...Rb5
- 2.Qd7#
- 1...Rc5
- 2.Qd7#
- 1...Re5
- 2.Sxe5#
- 2.Qd7#
- 1...Ra5!
- threat
- 1.Be5+?
- Keys
- 1.Bxe6!
- threat
- 2.Qd7#
- 1...Kxe6
- 2.Sf4#
- 1...Rxe6
- 2.Se5#
- 1...Ra5
- 2.Sc5#
- threat
- 1.Bxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(d);OGATEB,P-FLIGHT,XB(F)::QAR1(G)
- Tries
- Try
- B(A);CHECK
- Vars
- K(d);N_GUARD,P-FLIGHT,S_CUTR(b),XB(F)::QAR1(G)
- Refutation
- R(b);XB(A)
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- R(B)+S(C)
- Vars
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C)
- R(b);N_GUARD::R(B)+S(C),XR(b)
- Refutation
- R(b);
- Try
- B(F);XP(c)
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,S_CUTR(b),XB(F)::S(C)
- P(e);::QAR1(G)
- R(b);::QAR1(G)
- Refutation
- R(b);P_PINQ(G)
- Try
- Actual
- B(F);XP(e)
- Threat
- QAR1(G)
- Vars
- K(d);P-FLIGHT,S_CUTR(b),XB(F)::S(C)
- R(f);SBLOCK,XB(F)::R(B)+S(C)
- R(b);N_GUARD,P_PINQ(G)::R(B)+S(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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