MESON Chess Problem Database
Problem Display
PID: 2611 (1R3BB1/5R2/1bP5/2r1p3/1Pk1r3/p7/K2PP3/1Q6 w - - 0 1)
Perry, William E
Source?, 0000
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qd3#
- 1...Ra5
- 2.Qd3#
- 1...Rb5
- 2.Qd3#
- 1...Rxc6
- 2.Qd3#
- 1...Ba5
- 2.Qd3#
- 2.Qxe4#
- 1...Ba7
- 2.Qd3#
- 2.Qxe4#
- 1...Bc7
- 2.Qd3#
- 2.Qxe4#
- 1...Bd8
- 2.Qd3#
- 2.Qxe4#
- 1...Kd4
- Tries
- 1.Rf1+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rf2+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rf3+?
- 1...Kd4
- 2.Rd3#
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rf4+?
- 1...Kd4
- 2.Rxe4#
- 2.Qd3#
- 2.Qxe4#
- 2.Qg1#
- 2.e3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rf5+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rf6+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Ra7+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rfb7+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rc7+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rd7+?
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Rd5
- 1.Rg7+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rh7+?
- 1...Kd4
- 2.Qd3#
- 1...Rd5
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.Rxb6?
- threat
- 2.Qd3#
- 2.Qxe4#
- 1...Kd4
- 2.Qd3#
- 1...Kd5
- 2.Rd7#
- 1...Rxe2
- 2.Rf4#
- 1...Re3
- 2.Rf4#
- 1...Rd4
- 2.Qb3#
- 1...Rf4
- 2.Rxf4#
- 2.Qd3#
- 1...Rg4
- 2.Rf4#
- 2.Qd3#
- 1...Rh4
- 2.Rf4#
- 2.Qd3#
- 1...Rd5!
- threat
- 1.Qb3+?
- 1...Kd4
- 2.Qd3#
- 1...Kb5!
- 1...Kd4
- 1.bxc5?
- threat
- 2.Rd7#
- 1...Kd4
- 2.Rd7#
- 2.Qd3#
- 1...Rd4
- 2.Rf4#
- 2.Qb3#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Rf4#
- 1...Kd5!
- threat
- 1.Rf1+?
- Keys
- 1.b5!
- 1...Kd4
- 2.Qd3#
- 1...Kd5
- 2.Rd7#
- 1...Rxe2
- 2.Rf4#
- 1...Rxb5
- 2.Qd3#
- 1...Rxc6
- 2.Qd3#
- 1...Rd5
- 2.Qb4#
- 1...Re3
- 2.Rf4#
- 1...Rd4
- 2.Qb3#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Rf4#
- 1...Rh4
- 2.Rf4#
- 1...Ba5
- 2.Qxe4#
- 1...Ba7
- 2.Qxe4#
- 1...Bc7
- 2.Qxe4#
- 1...Bd8
- 2.Qxe4#
- 1...Kd4
- 1.b5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- K(b);P-FLIGHT::QAR1(A)
- R(d);::QAB1(A)
- R(d);SBLOCK::QAB1(A)
- R(d);XP(F)::QAB1(A)
- Tries
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK,P_PINR(c)
- Vars
- R(d);::QAB1(A)
- Refutation
- K(b);N_SPINR(c),P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(G);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- R(d);P_SPINR(d)::QAB1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- R(H);XB(f)
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- K(b);S_FLIGHT::B(J)+R(G),DCHECK
- R(c);P_PINP(C),XP(D)::B(J)+R(G),DCHECK
- R(c);::B(J)+R(G),DCHECK
- R(c);SBLOCK::QAB1(A)
- Refutation
- R(d);
- Try
- Q(A);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(A)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT
- Try
- P(E);XR(d)
- Threat
- B(J)+R(G)
- Vars
- R(c);::B(J)+R(G),DCHECK,XR(c)
- R(c);::B(J)+R(G),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- P(E);
- Vars
- K(b);P-FLIGHT::QAR1(A)
- K(b);S_FLIGHT::B(J)+R(G),DCHECK
- R(c);P_PINP(C),XP(D)::B(J)+R(G),DCHECK
- R(d);SBLOCK,XP(E)::QAB1(A)
- R(d);XP(F)::QAB1(A)
- R(d);SBLOCK::QAR1(A)
- R(c);::B(J)+R(G),DCHECK
- R(c);SBLOCK::QAB1(A)
- R(c);::B(J)+R(G),DCHECK,XR(c)
- B(f);::QAR2(A),XR(c)
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).