MESON Chess Problem Database
Problem Display
PID: 69514 (nB1RB3/2rnk3/Rb2N3/5p2/3Q1N2/2p5/2P5/K7 w - - 0 1)
Pierce, William Timbrell
The Chess Player's Chronicle (Sampson), 1877
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Bd6#
- 2.Qg7#
- 1...Rc5
- 2.Bd6#
- 2.Qg7#
- 1...Rc6
- 2.Qg7#
- 1...Ra7
- 2.Bd6#
- 2.Qg7#
- 1...Rb7
- 2.Bd6#
- 2.Qg7#
- 1...Rc8
- 2.Bd6#
- 2.Qg7#
- 1...Bxd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bc5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Ba7
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Sc5
- 2.Qg7#
- 1...Sf6
- 2.Qd6#
- 1...Sxb8
- 2.Qg7#
- 1...Sf8
- 2.Qg7#
- 1...Rc4
- Tries
- 1.Kb1?
- 1...Bxd4
- 2.Sd5#
- 1...Sxb8
- 2.Qg7#
- 1...Rc4
- 2.Bd6#
- 2.Qg7#
- 1...Rc5
- 2.Bd6#
- 2.Qg7#
- 1...Rc6
- 2.Qg7#
- 1...Ra7
- 2.Bd6#
- 2.Qg7#
- 1...Rb7
- 2.Bd6#
- 2.Qg7#
- 1...Rc8
- 2.Bd6#
- 2.Qg7#
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bc5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Ba7
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Sc5
- 2.Qg7#
- 1...Sf6
- 2.Qd6#
- 1...Sf8
- 2.Qg7#
- 1...Se5!
- 1...Bxd4
- 1.Ka2?
- 1...Bxd4
- 2.Sd5#
- 1...Sxb8
- 2.Qg7#
- 1...Rc4
- 2.Bd6#
- 2.Qg7#
- 1...Rc5
- 2.Bd6#
- 2.Qg7#
- 1...Rc6
- 2.Qg7#
- 1...Ra7
- 2.Bd6#
- 2.Qg7#
- 1...Rb7
- 2.Bd6#
- 2.Qg7#
- 1...Rc8
- 2.Bd6#
- 2.Qg7#
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bc5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Ba7
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Sc5
- 2.Qg7#
- 1...Sf6
- 2.Qd6#
- 1...Sf8
- 2.Qg7#
- 1...Se5!
- 1...Bxd4
- 1.Bh5?
- threat
- 2.Re8#
- 1...Bxd4
- 2.Sd5#
- 1...Rc8
- 2.Bd6#
- 2.Rxd7#
- 2.Qg7#
- 1...Sf6
- 2.Qd6#
- 1...Se5!
- threat
- 1.Bg6?
- threat
- 2.Re8#
- 1...Bxd4
- 2.Sd5#
- 1...Rc8
- 2.Bd6#
- 2.Rxd7#
- 2.Qg7#
- 1...Sf6
- 2.Qd6#
- 1...Se5!
- threat
- 1.Bxd7?
- 1...Kf7
- 2.Qg7#
- 1...Rxd7
- 2.Qg7#
- 1...Rc4
- 2.Qg7#
- 1...Rc5
- 2.Qg7#
- 1...Rc6
- 2.Qg7#
- 1...Ra7
- 2.Qg7#
- 1...Rb7
- 2.Qg7#
- 1...Rc8
- 2.Qg7#
- 1...Ba5
- 2.Qg7#
- 1...Bc5
- 2.Qg7#
- 1...Ba7
- 2.Qg7#
- 1...Bxd4!
- 1...Kf7
- 1.Rc8?
- 1...Bxd4
- 2.Sd5#
- 1...Sxb8
- 2.Qd8#
- 1...Se5
- 2.Qd8#
- 1...Rc4
- 2.Bd6#
- 2.Qg7#
- 1...Rc5
- 2.Bd6#
- 2.Qg7#
- 1...Rc6
- 2.Qg7#
- 1...Ra7
- 2.Bd6#
- 2.Qg7#
- 1...Rb7
- 2.Bd6#
- 2.Qg7#
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bc5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Ba7
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Sc5
- 2.Qd8#
- 1...Sf6
- 2.Qd8#
- 1...Sf8
- 2.Qd8#
- 1...Rxc8!
- 1...Bxd4
- 1.Qe5?
- threat
- 2.Sd5#
- 2.Sg6#
- 1...Rc5
- 2.Sg6#
- 2.Bd6#
- 2.Qg7#
- 1...Sf6
- 2.Sg6#
- 2.Qd6#
- 1...Sf8
- 2.Sd5#
- 2.Qg7#
- 1...Sxe5!
- threat
- 1.Qh8?
- 1...Sxb8
- 2.Qg7#
- 2.Qh4#
- 2.Qf8#
- 1...Se5
- 2.Qh4#
- 2.Qf8#
- 1...Rc4
- 2.Rxd7#
- 2.Qg7#
- 1...Rc5
- 2.Rxd7#
- 2.Qg7#
- 1...Rc6
- 2.Rxd7#
- 2.Qg7#
- 1...Ra7
- 2.Qg7#
- 1...Rb7
- 2.Qg7#
- 1...Rc8
- 2.Rxd7#
- 2.Qg7#
- 1...Bg1
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bf2
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Be3
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bd4
- 2.Sd5#
- 2.Sg6#
- 1...Ba5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Bc5
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Ba7
- 2.Sd5#
- 2.Sg6#
- 2.Qg7#
- 1...Sc5
- 2.Qg7#
- 2.Qh4#
- 2.Qf8#
- 1...Sf6
- 2.Qg7#
- 2.Qf8#
- 1...Sf8
- 2.Qg7#
- 2.Qh4#
- 2.Qxf8#
- 1...Kd6!
- 1...Sxb8
- 1.Qd6+?
- 1...Kf6
- 2.Sd5#
- 2.Sh5#
- 1...Kxd6!
- 1...Kf6
- 1.Kb1?
- Keys
- 1.Qg1!
- 1...Kd6
- 2.Qc5#
- 1...Kf6
- 2.Qg7#
- 1...Bxg1
- 2.Sd5#
- 1...Sxb8
- 2.Qg5#
- 2.Qg7#
- 1...Rc4
- 2.Qg7#
- 1...Rc5
- 2.Qg7#
- 1...Rc6
- 2.Qg7#
- 1...Ra7
- 2.Qg7#
- 1...Rb7
- 2.Qg7#
- 1...Rc8
- 2.Qg7#
- 1...Bf2
- 2.Sd5#
- 2.Qg7#
- 1...Be3
- 2.Sd5#
- 2.Qg7#
- 1...Bd4
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 2.Qg7#
- 1...Bc5
- 2.Sd5#
- 2.Qg7#
- 1...Ba7
- 2.Sd5#
- 2.Qg7#
- 1...Sc5
- 2.Qg5#
- 2.Qg7#
- 1...Se5
- 2.Qg5#
- 1...Sf6
- 2.Qg7#
- 1...Sf8
- 2.Qg5#
- 2.Qg7#
- 1...Kd6
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 3
- Sets
- R(d);::QAR2(C)
- B(c);XQ(C)::S(D)
- S(e);::QAR2(C)
- S(e);SBLOCK::QAB1(C)
- S(e);XB(G)::QAR2(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(c);XQ(C)::S(D)
- S(e);XB(G)::QAR2(C)
- R(d);::QAR2(C)
- S(e);::QAR2(C)
- S(e);SBLOCK::QAB1(C)
- Refutation
- S(e);
- Try
- K(A);P-FLIGHT
- Vars
- B(c);XQ(C)::S(D)
- S(e);XB(G)::QAR2(C)
- R(d);::QAR2(C)
- S(e);::QAR2(C)
- S(e);SBLOCK::QAB1(C)
- Refutation
- S(e);
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(c);XQ(C)::S(D)
- S(e);SBLOCK::QAB1(C)
- Refutation
- S(e);
- Try
- B(I);
- Threat
- R1(H)
- Vars
- B(c);XQ(C)::S(D)
- S(e);SBLOCK::QAB1(C)
- Refutation
- S(e);
- Try
- B(I);XS(e)
- Vars
- K(f);P-FLIGHT::QAR1(C)
- R(d);XB(I)::QAR2(C)
- R(d);::QAR2(C)
- R(d);P_PINR(E)::QAR2(C)
- B(c);::QAR2(C)
- Refutation
- B(c);XQ(C)
- Try
- R(H);
- Vars
- B(c);XQ(C)::S(D)
- S(e);OGATE,XB(G)::QAB1(C)
- S(e);OGATE::QAB1(C)
- R(d);::QAR2(C)
- S(e);OGATE,SBLOCK::QAB1(C)
- Refutation
- R(d);XR(H)
- Try
- Q(C);
- Threat
- DUALS(2)
- Refutation
- S(e);XQ(C)
- Try
- Q(C);
- Vars
- R(d);P_PINR(E)::QAR2(C)
- R(d);::QAR2(C)
- Refutation
- K(f);P_SPINB(c),P_SPINR(d),P_SPINS(e),S_FLIGHT
- Try
- Q(C);CHECK
- Refutation
- K(f);P_SPINB(c),P_SPINR(d),P_SPINS(e),S_FLIGHT,XQ(C)
- Try
- Actual
- Q(C);
- Vars
- K(f);P_SPINB(c),P_SPINR(d),P_SPINS(e),S_FLIGHT::QAB1(C)
- K(f);S_FLIGHT::QAB1(C)
- B(c);XQ(C)::S(D)
- R(d);::QAR2(C)
- R(d);P_PINR(E)::QAR2(C)
- B(c);::S(D)
- S(e);N_GUARD::QAB(C)
- S(e);::QAR2(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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