MESON Chess Problem Database
Problem Display
PID: 89997 (3n4/2K1p3/1p1Bp3/1NpkP3/p3R1nR/5r2/2Q2pN1/rBb2b2 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Die Schwalbe, 2000
#2
9 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.Qc4#
- 1...Re3
- 2.Sf4#
- 1...Rf4
- 2.Sc3#
- 1...Rf5
- 2.Sc3#
- 1...Rf6
- 2.Sc3#
- 1...Rf7
- 2.Sc3#
- 1...Rf8
- 2.Sc3#
- 1...Be3
- 2.Sc3#
- 1...Bxg2
- 2.Qc4#
- 1...Bd3
- 2.Sc3#
- 1...Bc4
- 2.Qxc4#
- 1...Se3
- 2.Sc3#
- 1...Sxe5
- 2.Rxe5#
- 1...c4
- 2.Rd4#
- 1...Rc3
- Tries
- 1.Kxb6?
- threat
- 2.Sc7#
- 2.Qxc5#
- 1...Bxb5
- 2.Qxc5#
- 1...Sxe5
- 2.Rxe5#
- 2.Qxc5#
- 1...exd6
- 2.Sc7#
- 1...Rd3
- 2.Qc4#
- 1...Bd3
- 2.Sc3#
- 1...Rb3
- 2.Qxc5#
- 1...Rc3
- 2.Sxc3#
- 2.Sc7#
- 1...Ba3
- 2.Sc7#
- 1...Be3
- 2.Sc3#
- 2.Sc7#
- 1...Bc4
- 2.Sc7#
- 2.Qxc4#
- 1...Sb7
- 2.Sc7#
- 1...c4
- 2.Sc7#
- 2.Rd4#
- 1...Rxb1!
- threat
- 1.Se3+?
- 1...Bxe3
- 2.Sc3#
- 1...Sxe3
- 2.Sc3#
- 1...Rxe3!
- 1...Bxe3
- 1.Sf4+?
- 1...Rxf4
- 2.Sc3#
- 1...Bxf4!
- 1...Rxf4
- 1.Ba2+?
- 1...Rb3
- 2.Sc3#
- 1...Bc4
- 2.Bxc4#
- 2.Qxc4#
- 1...c4
- 2.Rd4#
- 1...Rxa2!
- 1...Rb3
- 1.Re2?
- threat
- 2.Qe4#
- 1...Rd3
- 2.Qxd3#
- 1...Re3
- 2.Sf4#
- 1...Sf6
- 2.Qc4#
- 1...Rf4!
- threat
- 1.Rb4?
- threat
- 2.Qe4#
- 1...Rd3
- 2.Qc4#
- 1...Re3
- 2.Sf4#
- 1...Rf4
- 2.Sc3#
- 1...Bd3
- 2.Sc3#
- 1...Sf6!
- threat
- 1.Rexg4?
- threat
- 2.Qe4#
- 1...Rd3
- 2.Qc4#
- 1...Re3
- 2.Sf4#
- 1...Bd3
- 2.Sc3#
- 1...Rf4!
- threat
- 1.Qd1+?
- 1...Rd3
- 2.Sc3#
- 1...Bd3
- 2.Sc3#
- 1...Bd2!
- 1...Rd3
- 1.Qd3+?
- 1...Bxd3
- 2.Sc3#
- 1...Rxd3!
- 1...Bxd3
- 1.Qa2+?
- 1...Rb3
- 2.Sc3#
- 1...Bc4
- 2.Qxc4#
- 1...c4
- 2.Rd4#
- 1...Rxa2!
- 1...Rb3
- 1.Qd2+?
- 1...Rd3
- 2.Sc3#
- 1...Bd3
- 2.Sc3#
- 1...Bxd2!
- 1...Rd3
- 1.Kxb6?
- Keys
- 1.Re3!
- threat
- 2.Qe4#
- 1...Rxe3
- 2.Sf4#
- 1...Rf4
- 2.Sxf4#
- 1...Bd3
- 2.Qxd3#
- 1...Sf6
- 2.Sc3#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- R(e);N_GUARD::S(F),XR(e)
- R(e);S_CUTB(c)::QAB1(B)
- R(e);N_GUARD,S_CUTB(b)::S(C)
- R(e);N_GUARD::S(F)
- B(b);S_CUTR(e)::S(F)
- B(c);N_GUARD,XS(C)::QAB1(B)
- B(c);S_CUTR(e)::S(F)
- B(c);N_GUARD::QAB1(B),XB(c)
- S(g);S_CUTR(e)::S(F)
- S(g);OGATE,XP(G)::R1(D),XS(g)
- P(h);N_GUARD::R1(D)
- Tries
- Try
- K(I);S_FLIGHT,XP(j)
- Threat
- DUALS(2)
- Vars
- B(c);XS(F)::QAR1(B),XP(h)
- P(l);XB(H)::S(F)
- R(e);S_CUTB(c)::QAB1(B)
- B(c);S_CUTR(e)::S(F)
- R(e);P_PINS(F)::QAR1(B),XP(h)
- B(b);::S(F)
- S(m);::S(F)
- Refutation
- R(a);P_PINS(F),XB(A)
- Try
- S(C);CHECK
- Vars
- B(b);XS(C)::S(F)
- S(g);XS(C)::S(F)
- Refutation
- R(e);XS(C)
- Try
- S(C);CHECK
- Vars
- R(e);XS(C)::S(F)
- Refutation
- B(b);XS(C)
- Try
- B(A);CHECK
- Vars
- R(e);P_SPINR(e)::S(F)
- P(h);P_SPINP(h)::R1(D)
- Refutation
- R(a);XB(A)
- Try
- R(D);
- Threat
- QAB1(B)
- Vars
- R(e);N_GUARD::QAR2(B),XR(e)
- R(e);N_GUARD,S_CUTB(b)::S(C)
- S(g);::QAB1(B)
- Refutation
- R(e);
- Try
- R(D);
- Threat
- QAB1(B)
- Vars
- R(e);S_CUTB(c)::QAB1(B)
- R(e);N_GUARD,S_CUTB(b)::S(C)
- R(e);N_GUARD::S(F)
- B(c);S_CUTR(e)::S(F)
- Refutation
- S(g);
- Try
- R(D);XS(g)
- Threat
- QAB1(B)
- Vars
- R(e);S_CUTB(c)::QAB1(B)
- R(e);N_GUARD,S_CUTB(b)::S(C)
- B(c);S_CUTR(e)::S(F)
- Refutation
- R(e);
- Try
- Q(B);CHECK
- Vars
- R(e);P_SPINR(e)::S(F)
- B(c);P_SPINB(c)::S(F)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);CHECK
- Vars
- B(c);XQ(B)::S(F)
- Refutation
- R(e);XQ(B)
- Try
- Q(B);CHECK
- Vars
- R(e);P_SPINR(e)::S(F)
- B(c);N_GUARD,P_SPINB(c)::QAB1(B),XB(c)
- P(h);P_SPINP(h)::R1(D)
- Refutation
- R(a);XQ(B)
- Try
- Q(B);CHECK
- Vars
- R(e);P_SPINR(e)::S(F)
- B(c);P_SPINB(c)::S(F)
- Refutation
- B(b);XQ(B)
- Try
- Actual
- R(D);
- Threat
- QAB1(B)
- Vars
- R(e);N_GUARD,XR(D)::S(C)
- R(e);N_GUARD::S(C),XR(e)
- B(c);N_GUARD::QAR2(B),XB(c)
- S(g);::S(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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