MESON Chess Problem Database
Problem Display
PID: 84819 (2K1Q1b1/1N3p2/B2p4/2bk1P2/r3pR1P/3np3/1B4N1/3R4 w - - 0 1)
Petite, Efren
Torre & Cavallo - Scacco!, 2000
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxe4#
- 1...Ra2
- 2.Qxe4#
- 1...Ra3
- 2.Qxe4#
- 1...Rd4
- 2.Sxe3#
- 1...Ra5
- 2.Qxe4#
- 1...Rxa6
- 2.Qxe4#
- 1...Ba3
- 2.Sxe3#
- 1...Bb4
- 2.Sxe3#
- 2.Qxe4#
- 1...Bd4
- 2.Qxe4#
- 1...Ra1
- Tries
- 1.Kc7?
- threat
- 2.Qc6#
- 1...Rxa6
- 2.Qxe4#
- 1...Rd4
- 2.Sxe3#
- 1...Bd4
- 2.Qxe4#
- 1...Bb6+!
- threat
- 1.Sa5?
- threat
- 2.Bb7#
- 2.Qc6#
- 1...Rxa5
- 2.Qxe4#
- 1...Ba3
- 2.Qc6#
- 1...Bb4
- 2.Qc6#
- 1...Bb6
- 2.Qc6#
- 1...Ba7
- 2.Qc6#
- 1...Rb4
- 2.Qc6#
- 1...Rd4
- 2.Sxe3#
- 2.Bb7#
- 1...Bd4!
- threat
- 1.Sd8?
- threat
- 2.Qc6#
- 1...Rxa6
- 2.Qxe4#
- 1...Rd4
- 2.Sxe3#
- 1...Bd4!
- threat
- 1.Bd4?
- threat
- 2.Qxe4#
- 1...Kxd4
- 2.Rxd3#
- 1...Rxd4
- 2.Sxe3#
- 1...Sxf4
- 2.Sxe3#
- 2.Sxf4#
- 1...Sf2
- 2.Sxe3#
- 1...Se5
- 2.Sxe3#
- 1...Rxa6!
- threat
- 1.Bb5?
- threat
- 2.Qc6#
- 1...Rd4
- 2.Sxe3#
- 1...Ra6
- 2.Qxe4#
- 1...Bd4
- 2.Qxe4#
- 1...Ra8+!
- threat
- 1.Rxd3+?
- 1...Rd4
- 2.Sxe3#
- 2.Qxe4#
- 1...Bd4
- 2.Sxe3#
- 2.Qb5#
- 2.Qxe4#
- 1...exd3!
- 1...Rd4
- 1.Qxa4?
- threat
- 2.Bc4#
- 2.Qxe4#
- 1...Bb4
- 2.Sxe3#
- 1...Bd4!
- threat
- 1.Qb5?
- threat
- 2.Sxe3#
- 1...e2
- 2.Se3#
- 1...Rd4!
- threat
- 1.f6?
- threat
- 2.Rf5#
- 1...Rxa6
- 2.Qxe4#
- 1...Rd4
- 2.Sxe3#
- 1...Bd4
- 2.Qxe4#
- 1...Bh7!
- threat
- 1.Kc7?
- Keys
- 1.Rg4!
- threat
- 2.Sf4#
- 1...Rxa6
- 2.Qxe4#
- 1...Rd4
- 2.Sxe3#
- 1...Bd4
- 2.Qxe4#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(c);N_GUARD::QAB1(J),XP(d)
- R(c);N_SPINS(a),S_CUTB(e)::S(C),XP(b)
- R(c);N_GUARD,XB(G)::QAB1(J),XP(d)
- B(e);N_GUARD::S(C),XP(b)
- B(e);N_SPINS(a),S_CUTR(c)::QAB1(J),XP(d)
- Tries
- Try
- K(I);P-FLIGHT
- Threat
- QAB1(J)
- Vars
- R(c);N_GUARD,XB(G)::QAB1(J),XP(d)
- R(c);N_SPINS(a),S_CUTB(e)::S(C),XP(b)
- B(e);N_SPINS(a),S_CUTR(c)::QAB1(J),XP(d)
- Refutation
- B(e);CHECK
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XS(H)::QAB1(J),XP(d)
- B(e);::QAB1(J)
- R(c);::QAB1(J)
- Refutation
- B(e);N_SPINS(a)
- Try
- S(H);
- Threat
- QAB1(J)
- Vars
- R(c);N_GUARD,XB(G)::QAB1(J),XP(d)
- R(c);N_SPINS(a),S_CUTB(e)::S(C),XP(b)
- Refutation
- B(e);N_SPINS(a)
- Try
- B(B);N_PINS(a)
- Threat
- QAB1(J),XP(d)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINP(d),P_SPINS(a),XB(B)::R1(A),XS(a)
- R(c);SBLOCK,XB(B)::S(C),XP(b)
- S(a);::S(C),XP(b)
- Refutation
- R(c);XB(G)
- Try
- B(G);
- Threat
- QAB1(J)
- Vars
- R(c);N_SPINS(a),S_CUTB(e)::S(C),XP(b)
- R(c);N_GUARD::QAB1(J),XP(d)
- B(e);N_SPINS(a),S_CUTR(c)::QAB1(J),XP(d)
- Refutation
- R(c);CHECK
- Try
- R(A);CHECK,XS(a)
- Refutation
- P(d);XR(A)
- Try
- Q(J);XR(c)
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD::S(C),XP(b)
- Refutation
- B(e);N_SPINS(a)
- Try
- Q(J);P_PINB(e)
- Threat
- S(C),XP(b)
- Vars
- P(b);::S(C)
- Refutation
- R(c);N_SPINS(a)
- Try
- P(F);
- Threat
- R(D)
- Vars
- R(c);N_GUARD,XB(G)::QAB1(J),XP(d)
- R(c);N_SPINS(a),S_CUTB(e)::S(C),XP(b)
- B(e);N_SPINS(a),S_CUTR(c)::QAB1(J),XP(d)
- Refutation
- B(i);
- Try
- Actual
- R(D);
- Threat
- S(C)
- Vars
- R(c);N_GUARD,XB(G)::QAB1(J),XP(d)
- R(c);N_SPINS(a),S_CUTB(e)::S(C),XP(b)
- B(e);N_SPINS(a),S_CUTR(c)::QAB1(J),XP(d)
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).