MESON Chess Problem Database
Problem Display
PID: 7623 (2N1R2B/1B4r1/2Pp4/bQPk3n/K2N2bR/5p2/2P5/8 w - - 0 1)
Papack, Daniel
3rd HM., Die Schwalbe, 1992
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rg6
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rxb7
- 2.c4#
- 1...Rc7
- 2.c4#
- 2.cxd6#
- 1...Rd7
- 2.c4#
- 2.cxd6#
- 2.cxd7#
- 2.c7#
- 1...Re7
- 2.c7#
- 1...Rf7
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rh7
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rg8
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Bh3
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Bf5
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Be6
- 2.cxd6#
- 1...Bd7
- 2.c4#
- 2.cxd6#
- 2.cxd7#
- 1...Bxc8
- 2.c4#
- 1...Rg5
- Tries
- 1.Sb3?
- threat
- 2.Qd3#
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rxb7
- 2.c4#
- 1...Bxc8
- 2.Rd4#
- 2.Qd3#
- 2.Qc4#
- 2.c4#
- 1...dxc5
- 2.Qd3#
- 2.Qxc5#
- 2.c4#
- 2.c7#
- 1...Be6
- 2.cxd6#
- 1...Rc7
- 2.Qd3#
- 2.c4#
- 2.cxd6#
- 1...Bf5
- 2.Rd4#
- 2.Qc4#
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Bd7
- 2.Rd4#
- 2.Qd3#
- 2.Qc4#
- 2.c4#
- 2.cxd6#
- 2.cxd7#
- 1...Bc3
- 2.Sb6#
- 2.cxd6#
- 2.c7#
- 1...Bb4
- 2.Sb6#
- 2.Qd3#
- 2.c4#
- 2.c7#
- 1...Bb6
- 2.Sxb6#
- 2.Qd3#
- 2.c4#
- 2.cxb6#
- 2.c7#
- 1...Bc7
- 2.Qd3#
- 2.c4#
- 2.cxd6#
- 1...Sf4
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Re7!
- threat
- 1.Sxf3?
- threat
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rxb7
- 2.c4#
- 1...Bxc8
- 2.Rd4#
- 2.Qc4#
- 2.c4#
- 1...dxc5
- 2.Re5#
- 2.Qd3#
- 2.c4#
- 2.c7#
- 1...Rc7
- 2.c4#
- 2.cxd6#
- 1...Bd7
- 2.Rd4#
- 2.Qc4#
- 2.c4#
- 2.cxd6#
- 2.cxd7#
- 1...Bc3
- 2.Sb6#
- 2.cxd6#
- 2.c7#
- 1...Bb4
- 2.Sb6#
- 2.c4#
- 2.c7#
- 1...Bb6
- 2.Sxb6#
- 2.c4#
- 2.cxb6#
- 2.c7#
- 1...Bc7
- 2.c4#
- 2.cxd6#
- 1...Re7!
- threat
- 1.Sf5?
- threat
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rxb7
- 2.Se3#
- 2.c4#
- 1...dxc5
- 2.Qd3#
- 2.c4#
- 2.c7#
- 1...Rc7
- 2.Se3#
- 2.c4#
- 2.cxd6#
- 1...Bc3
- 2.Sb6#
- 2.cxd6#
- 2.c7#
- 1...Bb4
- 2.Sb6#
- 2.c4#
- 2.c7#
- 1...Bb6
- 2.Sxb6#
- 2.c4#
- 2.cxb6#
- 2.c7#
- 1...Bc7
- 2.c4#
- 2.cxd6#
- 1...Re7!
- threat
- 1.Sb6+?
- 1...Kxd4
- 2.Qc4#
- 1...Bxb6!
- 1...Kxd4
- 1.Sxd6?
- threat
- 2.Qc4#
- 1...Kxd4
- 2.Qc4#
- 1...Be6!
- threat
- 1.Ba6?
- threat
- 2.Qc4#
- 1...Kxd4
- 2.Qc4#
- 1...Be6
- 2.cxd6#
- 1...Re7!
- threat
- 1.Rxg4?
- threat
- 2.c4#
- 2.cxd6#
- 2.c7#
- 1...Rxb7
- 2.Rg5#
- 2.c4#
- 1...dxc5
- 2.c4#
- 2.c7#
- 1...Rc7
- 2.Rg5#
- 2.c4#
- 2.cxd6#
- 1...Bc3
- 2.Sb6#
- 2.cxd6#
- 2.c7#
- 1...Bb4
- 2.Sb6#
- 2.c4#
- 2.c7#
- 1...Bb6
- 2.Sxb6#
- 2.c4#
- 2.cxb6#
- 2.c7#
- 1...Bc7
- 2.c4#
- 2.cxd6#
- 1...Sf4!
- threat
- 1.c3?
- threat
- 2.cxd6#
- 2.c7#
- 1...Rxb7
- 2.c4#
- 1...Bxc8
- 2.c4#
- 1...dxc5
- 2.c7#
- 1...Re7
- 2.c7#
- 1...Be6
- 2.cxd6#
- 1...Rc7
- 2.c4#
- 2.cxd6#
- 1...Bd7
- 2.c4#
- 2.cxd6#
- 2.cxd7#
- 1...Bb4
- 2.Sb6#
- 2.c7#
- 1...Bb6
- 2.Sxb6#
- 2.cxb6#
- 2.c7#
- 1...Bc7
- 2.cxd6#
- 1...Bxc3!
- threat
- 1.Sb3?
- Keys
- 1.Kb3!
- threat
- 2.Qc4#
- 1...Kxd4
- 2.Qc4#
- 1...Rxb7
- 2.c4#
- 1...Re7
- 2.c7#
- 1...Be6
- 2.cxd6#
- threat
- 1.Kb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(g);XB(H)::P(A)
- R(g);::B(H)+P(G)
- B(b);::QAR(E)+P(F),XP(f)
- B(b);XS(I)::P(A)
- Tries
- Try
- S(C);
- Threat
- DUALS(4)
- Vars
- R(g);XB(H)::P(A)
- B(b);::QAR(E)+P(F),XP(f)
- Refutation
- R(g);
- Try
- S(C);XP(a)
- Threat
- DUALS(3)
- Vars
- R(g);XB(H)::P(A)
- Refutation
- R(g);
- Try
- S(C);
- Threat
- DUALS(3)
- Refutation
- R(g);
- Try
- S(I);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINB(b),P_SPINR(g),XS(C)::QAR1(E)
- Refutation
- B(c);XS(I)
- Try
- S(I);XP(f)
- Threat
- QAB1(E)
- Vars
- K(d);P-FLIGHT,P_SPINB(b),P_SPINR(g),XS(C)::QAR1(E)
- Refutation
- B(b);
- Try
- B(H);
- Threat
- QAB1(E)
- Vars
- K(d);P-FLIGHT,P_SPINB(b),P_SPINR(g),XS(C)::QAR1(E)
- B(b);::QAR(E)+P(F),XP(f)
- Refutation
- R(g);
- Try
- R(D);XB(b)
- Threat
- DUALS(3)
- Refutation
- S(e);
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- R(g);XB(H)::P(A)
- B(b);XS(I)::P(A)
- P(f);P_SPINP(f),XP(F)::B(H)+P(G)
- R(g);::B(H)+P(G)
- B(b);::QAR(E)+P(F),XP(f)
- B(c);::QAR(E)+P(F),XP(f)
- Refutation
- B(c);XP(A)
- Try
- Actual
- K(B);S_FLIGHT
- Threat
- QAB1(E)
- Vars
- K(d);P-FLIGHT,P_SPINB(b),P_SPINR(g),XS(C)::QAR1(E)
- R(g);P_PINQ(E),XB(H)::P(A)
- R(g);::B(H)+P(G)
- B(b);::QAR(E)+P(F),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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