MESON Chess Problem Database
Problem Display
PID: 51970 (5rQ1/1P1pp2p/Rb2nkBP/qp2n3/1P5P/8/p4NR1/B5K1 w - - 0 1)
Reddmann, Hauke
Die Schwalbe, 2004
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Rf7
- 2.Qxf7#
- 1...Ra8
- 2.Qf7#
- 1...Rb8
- 2.Qf7#
- 1...Rc8
- 2.Qf7#
- 1...Rd8
- 2.Qf7#
- 1...Re8
- 2.Qf7#
- 1...Bxf2+
- 2.Rxf2#
- 1...Be3
- 2.Qg7#
- 2.Qxf8#
- 1...Bd4
- 2.Qg7#
- 1...Bc5
- 2.Qg7#
- 2.Qxf8#
- 1...Ba7
- 2.Qg7#
- 2.Qxf8#
- 1...Bc7
- 2.Se4#
- 2.Sg4#
- 2.Qg7#
- 2.Qxf8#
- 1...Bd8
- 2.Se4#
- 2.Sg4#
- 2.Qg7#
- 2.Qxf8#
- 1...Sd4
- 2.Se4#
- 1...Sc5
- 2.Sg4#
- 1...Sg5
- 2.hxg5#
- 1...hxg6
- 2.Qxg6#
- 1...Rf7
- Tries
- 1.Kf1?
- threat
- 2.Se4#
- 2.Sg4#
- 1...Rxg8
- 2.Se4#
- 1...Bxf2
- 2.Rxf2#
- 2.Qg7#
- 2.Qxf8#
- 1...hxg6
- 2.Qxg6#
- 1...Bd4
- 2.Se4#
- 2.Qg7#
- 1...Sd4
- 2.Se4#
- 1...Sc5
- 2.Sg4#
- 1...Sg5
- 2.Sg4#
- 2.hxg5#
- 1...Sg7
- 2.Se4#
- 1...d5
- 2.Sg4#
- 1...Qxb4!
- threat
- 1.Kh1?
- threat
- 2.Se4#
- 2.Sg4#
- 1...Rxg8
- 2.Se4#
- 1...Bxf2
- 2.Rxf2#
- 2.Qg7#
- 2.Qxf8#
- 1...hxg6
- 2.Qxg6#
- 1...Bd4
- 2.Se4#
- 2.Qg7#
- 1...Sd4
- 2.Se4#
- 1...Sc5
- 2.Sg4#
- 1...Sg5
- 2.Sg4#
- 2.hxg5#
- 1...Sg7
- 2.Se4#
- 1...d5
- 2.Sg4#
- 1...Qxb4!
- threat
- 1.Kh2?
- threat
- 2.Se4#
- 2.Sg4#
- 1...Rxg8
- 2.Se4#
- 1...Bxf2
- 2.Rxf2#
- 2.Qg7#
- 2.Qxf8#
- 1...hxg6
- 2.Qxg6#
- 1...Bd4
- 2.Se4#
- 2.Qg7#
- 1...Sd4
- 2.Se4#
- 1...Sc5
- 2.Sg4#
- 1...Sg5
- 2.Sg4#
- 2.hxg5#
- 1...Sg7
- 2.Se4#
- 1...d5
- 2.Sg4#
- 1...Qxb4!
- threat
- 1.Rxb6?
- threat
- 2.Se4#
- 2.Sg4#
- 2.Qg7#
- 2.Qxf8#
- 1...Qxb4
- 2.Qg7#
- 2.Qxf8#
- 1...Rxg8
- 2.Se4#
- 1...hxg6
- 2.Qxg6#
- 2.Qxf8#
- 1...Qa8
- 2.Se4#
- 2.Sg4#
- 2.Qg7#
- 1...Rf7
- 2.Se4#
- 2.Sg4#
- 2.Qxf7#
- 1...Ra8
- 2.Se4#
- 2.Sg4#
- 2.Qf7#
- 2.Qg7#
- 1...Rb8
- 2.Se4#
- 2.Sg4#
- 2.Qf7#
- 2.Qg7#
- 1...Rc8
- 2.Se4#
- 2.Sg4#
- 2.Qf7#
- 2.Qg7#
- 1...Rd8
- 2.Se4#
- 2.Sg4#
- 2.Qf7#
- 2.Qg7#
- 1...Re8
- 2.Se4#
- 2.Sg4#
- 2.Qf7#
- 2.Qg7#
- 1...d5
- 2.Sg4#
- 2.Rxe6#
- 2.Qxe6#
- 2.Qg7#
- 2.Qxf8#
- 1...d6
- 2.Se4#
- 2.Sg4#
- 1...Qxb6!
- threat
- 1.b8Q?
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...Bxf2+
- 2.Rxf2#
- 1...Rxb8
- 2.Qf7#
- 1...hxg6
- 2.Qxe5#
- 2.Qxg6#
- 1...Bd4
- 2.Qg7#
- 1...Bc7
- 2.Se4#
- 2.Sg4#
- 2.Qbxf8#
- 2.Qg7#
- 2.Qgxf8#
- 1...Sd4
- 2.Se4#
- 1...Sc7
- 2.Qbxf8#
- 1...d6!
- threat
- 1.Kf1?
- Keys
- 1.b8S!
- threat
- 2.Sxd7#
- 1...Bxf2+
- 2.Rxf2#
- 1...Rxb8
- 2.Qf7#
- 1...hxg6
- 2.Qxg6#
- 1...Rd8
- 2.Qf7#
- 1...Bd4
- 2.Qg7#
- 1...Sd4
- 2.Se4#
- 1...Sc5
- 2.Sg4#
- 1...d5
- 2.Sd7#
- 1...d6
- 2.Sd7#
- threat
- 1.b8S!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(k);N_GUARD::QAR1(K),XR(k)
- R(k);N_GUARD::QAR1(K)
- B(e);CHECK,OGATE,XS(C)::R(D),XB(e)
- B(e);N_SPINS(d),P_SPINS(f)::QAB1(K)
- S(f);N_PINS(C),N_SPINS(d),P_SPINB(e)::S(C)
- S(f);N_PINS(C),P_SPINB(e)::S(C)
- S(f);OGATE,P_SPINB(e)::P(F),XS(f)
- P(j);OGATE,XB(H)::QAR1(K),XP(j)
- Tries
- Try
- K(B);N_SPINS(C),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(k);XQ(K)::S(C)
- P(j);OGATE,XB(H)::QAR1(K),XP(j)
- S(f);N_SPINS(d),P_SPINB(e)::S(C)
- S(f);P_SPINB(e)::S(C)
- P(h);::S(C)
- Refutation
- Q(b);XP(E)
- Try
- K(B);N_SPINS(C),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(k);XQ(K)::S(C)
- P(j);OGATE,XB(H)::QAR1(K),XP(j)
- S(f);N_SPINS(d),P_SPINB(e)::S(C)
- S(f);P_SPINB(e)::S(C)
- P(h);::S(C)
- Refutation
- Q(b);XP(E)
- Try
- K(B);N_SPINS(C),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(k);XQ(K)::S(C)
- P(j);OGATE,XB(H)::QAR1(K),XP(j)
- S(f);N_SPINS(d),P_SPINB(e)::S(C)
- S(f);P_SPINB(e)::S(C)
- P(h);::S(C)
- Refutation
- Q(b);XP(E)
- Try
- R(G);N_SPINS(C),XB(e)
- Threat
- DUALS(4)
- Vars
- R(k);XQ(K)::S(C)
- Refutation
- Q(b);P_PINS(C),XR(G)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,OGATE,XS(C)::R(D),XB(e)
- R(k);N_GUARD,XQ(J)::QAR1(K)
- B(e);N_SPINS(d),P_SPINS(f)::QAB1(K)
- S(f);N_PINS(C),N_SPINS(d),P_SPINB(e)::S(C)
- S(f);N_GUARD,P_SPINB(e)::QAR2(J),XR(k)
- Refutation
- P(h);
- Try
- Actual
- P(J);
- Threat
- S(J),XP(h)
- Vars
- B(e);CHECK,OGATE,XS(C)::R(D),XB(e)
- R(k);N_GUARD,XS(J)::QAR1(K)
- P(j);OGATE,XB(H)::QAR1(K),XP(j)
- R(k);N_GUARD::QAR1(K)
- B(e);N_SPINS(d),P_SPINS(f)::QAB1(K)
- S(f);N_PINS(C),N_SPINS(d),P_SPINB(e)::S(C)
- S(f);N_PINS(C),P_SPINB(e)::S(C)
- P(h);::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).