MESON Chess Problem Database
Problem Display
PID: 143536 (K2Bb3/1PN2p1n/1R5N/Q1pBkp2/1pR1p3/4P1Pn/p1p4b/8 w - - 0 1)
Rosner, Eugene David
Die Schwalbe, 2011
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Sxf7#
- 1...Bb5
- 2.Sxf7#
- 1...Bc6
- 2.Sxf7#
- 1...Bd7
- 2.Sxf7#
- 1...Sf4
- 2.exf4#
- 1...Sg5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sf8
- 2.Bf6#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...b3
- 2.Qc3#
- 1...f4
- 2.Rxe4#
- 1...f6
- 2.Re6#
- 1...Ba4
- Tries
- 1.Be6?
- threat
- 2.Rxc5#
- 2.Qxc5#
- 1...Bc6
- 2.Sxf7#
- 1...a1Q
- 2.Rxc5#
- 2.Qxa1#
- 1...a1R
- 2.Rxc5#
- 2.Qxa1#
- 1...c1Q
- 2.Qxc5#
- 1...c1R
- 2.Qxc5#
- 1...Bb5
- 2.Sxf7#
- 2.Rxc5#
- 1...Sf4
- 2.exf4#
- 1...Sf6!
- threat
- 1.Bxf7?
- threat
- 2.Rxc5#
- 2.Re6#
- 2.Qxc5#
- 1...Bxf7
- 2.Sxf7#
- 1...a1Q
- 2.Rxc5#
- 2.Re6#
- 2.Qxa1#
- 1...a1R
- 2.Rxc5#
- 2.Re6#
- 2.Qxa1#
- 1...c1Q
- 2.Re6#
- 2.Qxc5#
- 1...c1R
- 2.Re6#
- 2.Qxc5#
- 1...Bb5
- 2.Rxc5#
- 2.Re6#
- 1...Bd7
- 2.Rxc5#
- 2.Qxc5#
- 1...Sf4
- 2.exf4#
- 1...S3g5
- 2.Rxc5#
- 2.Qxc5#
- 1...S7g5
- 2.Bf6#
- 2.Rxc5#
- 2.Qxc5#
- 1...Sf6
- 2.Bxf6#
- 2.Re6#
- 1...Sf8
- 2.Bf6#
- 2.Rxc5#
- 2.Qxc5#
- 1...Bc6!
- threat
- 1.Rxc5?
- threat
- 2.Bxa2#
- 2.Bb3#
- 2.Bc4#
- 2.Be6#
- 2.Bxf7#
- 1...Bc6
- 2.Sxf7#
- 1...a1Q
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Be6#
- 2.Bxf7#
- 2.Qxa1#
- 1...a1S
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Be6#
- 2.Bxf7#
- 2.Qxa1#
- 1...a1B
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Be6#
- 2.Bxf7#
- 2.Qxa1#
- 1...a1R
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Be6#
- 2.Bxf7#
- 2.Qxa1#
- 1...c1Q
- 2.Bc4#
- 1...c1R
- 2.Bc4#
- 1...Sf6
- 2.Bxf6#
- 1...b3
- 2.Bxb3#
- 2.Bc4#
- 2.Be6#
- 2.Bxf7#
- 2.Qc3#
- 1...f6
- 2.Bxa2#
- 2.Bb3#
- 2.Bc4#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 2.Re6#
- 1...Sf4!
- threat
- 1.Qa4?
- threat
- 2.Qxe8#
- 1...Bxa4
- 2.Sxf7#
- 1...Bc6
- 2.Sxf7#
- 1...a1Q
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bb5
- 2.Sxf7#
- 1...Bd7
- 2.Sxf7#
- 1...Sf4
- 2.exf4#
- 1...S7g5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sf8
- 2.Bf6#
- 1...S3g5!
- threat
- 1.Be6?
- Keys
- 1.Bxe4!
- threat
- 2.Qxc5#
- 1...Bc6
- 2.Sxf7#
- 1...a1Q
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bb5
- 2.Sxf7#
- 1...Sf4
- 2.exf4#
- 1...Sf6
- 2.Bxf6#
- threat
- 1.Bxe4!
There are these versions: 145707
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- B(l);N_GUARD::S(G),XP(j)
- B(l);N_GUARD,P_PINP(H)::S(G),XP(j)
- S(d);OGATE::P(A),XS(d)
- S(k);N_GUARD::B(K)
- S(k);N_GUARD::B(K),XS(k)
- P(a);OGATE,P_PINQ(D)::QAB(D),XQ(a)
- P(a);OGATE::QAB(D),XS(a)
- P(a);OGATE::QAB(D),XB(a)
- P(a);OGATE,P_PINQ(D)::QAB(D),XR(a)
- P(e);OGATE::QAB(D)
- P(i);N_GUARD::R1(C),XP(f)
- P(j);N_GUARD::R1(F)
- Tries
- Try
- B(E);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- B(l);N_GUARD,P_PINP(H)::S(G),XP(j)
- P(b);::QAR2(D),XP(g)
- S(d);OGATE::P(A),XS(d)
- Refutation
- S(k);
- Try
- B(E);P_PINP(g),XP(j)
- Threat
- DUALS(3)
- Vars
- B(l);XB(E)::S(G),XB(l)
- S(d);OGATE::P(A),XS(d)
- Refutation
- B(l);P_PINP(H)
- Try
- R(C);XP(g)
- Threat
- DUALS(5)
- Vars
- B(l);N_GUARD,P_PINP(H)::S(G),XP(j)
- P(b);::R(C)+B(E)
- S(k);N_GUARD::B(K),XS(k)
- Refutation
- S(d);
- Try
- Q(D);
- Threat
- QAR(D),XB(l)
- Vars
- B(l);N_GUARD,XQ(D)::S(G),XP(j)
- B(l);N_GUARD,P_PINP(H)::S(G),XP(j)
- P(a);OGATE,P_PINQ(D)::QAB(D),XQ(a)
- P(a);OGATE,P_PINQ(D)::QAB(D),XR(a)
- B(l);N_GUARD::S(G),XP(j)
- S(d);OGATE::P(A),XS(d)
- S(k);N_GUARD::B(K)
- S(k);N_GUARD::B(K),XS(k)
- Refutation
- S(d);
- Try
- Actual
- B(E);P_PINP(g),XP(f)
- Threat
- QAR2(D),XP(g)
- Vars
- B(l);N_GUARD,P_PINP(H)::S(G),XP(j)
- P(a);OGATE,P_PINQ(D)::QAB(D),XQ(a)
- P(a);OGATE,P_PINQ(D)::QAB(D),XR(a)
- B(l);N_GUARD,N_SPINP(g)::S(G),XP(j)
- S(d);OGATE::P(A),XS(d)
- S(k);N_GUARD::B(K),XS(k)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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