MESON Chess Problem Database
Problem Display
PID: 222562 (3N2K1/3p2Q1/1P1k3p/7P/2Br4/8/5B2/3R4 w - - 0 1)
Arnold, William E
Baltimore American and Commercial Advertiser, 1883
#2
8 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Rxd1
- Tries
- 1.Kf7?
- threat
- 2.Qxd4#
- 1...Rxd1
- 2.Qf6#
- 2.Qg3#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 2.Qg3#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 2.Qg3#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 2.Qg3#
- 1...Kc5!
- threat
- 1.Kh7?
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd1
- 1.Kf8?
- threat
- 2.Qxd4#
- 2.Qe7#
- 1...Rxd1
- 2.Qf6#
- 2.Qg3#
- 2.Qe7#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 2.Qg3#
- 2.Qe7#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 2.Qg3#
- 2.Qe7#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 2.Qg3#
- 2.Qe7#
- 1...Kc5!
- threat
- 1.Kh8?
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd1
- 1.Be1?
- threat
- 2.Bb4#
- 1...Kc5
- 2.Qxd4#
- 1...Rd2!
- threat
- 1.Bg1?
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd1
- 1.Be3?
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd1
- 1.Bh4?
- threat
- 2.Be7#
- 2.Qxd4#
- 2.Qe7#
- 1...Rxd1
- 2.Be7#
- 2.Qe7#
- 1...Rd2
- 2.Be7#
- 2.Qe7#
- 1...Rd3
- 2.Be7#
- 2.Qe7#
- 1...Rd5
- 2.Be7#
- 2.Rxd5#
- 2.Qe7#
- 1...Kc5!
- threat
- 1.Bf1?
- 1...Kc5
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Rd2
- 2.Rxd2#
- 1...Rd3
- 2.Rxd3#
- 1...Rd5
- 2.Qf6#
- 1...Rxd1!
- 1...Kc5
- 1.Ba2?
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd1
- 1.Be2?
- 1...Kc5
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Rd2
- 2.Rxd2#
- 1...Rd3
- 2.Rxd3#
- 1...Rd5
- 2.Qf6#
- 1...Rxd1!
- 1...Kc5
- 1.Bb3?
- 1...Rxd1
- 2.Qf6#
- 1...Rd2
- 2.Rxd2#
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd1
- 1.Ba6?
- 1...Kc5
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Rd2
- 2.Rxd2#
- 1...Rd3
- 2.Rxd3#
- 1...Rd5
- 2.Qf6#
- 1...Rxd1!
- 1...Kc5
- 1.Rd2?
- 1...Rxd2
- 2.Qf6#
- 1...Rd3
- 2.Rxd3#
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd2
- 1.Rd3?
- 1...Rxd3
- 2.Qf6#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...Kc5!
- 1...Rxd3
- 1.Qg5?
- threat
- 2.Bg3#
- 2.Rxd4#
- 1...Rxd1
- 2.Bg3#
- 2.Bc5#
- 2.Qf6#
- 2.Qc5#
- 1...Rd2
- 2.Bg3#
- 2.Bc5#
- 2.Rxd2#
- 2.Qf6#
- 2.Qc5#
- 1...Rd3
- 2.Bg3#
- 2.Bc5#
- 2.Rxd3#
- 2.Qf6#
- 2.Qc5#
- 1...Rd5
- 2.Rxd5#
- 2.Qf6#
- 1...hxg5!
- threat
- 1.Kf7?
- Keys
- 1.Bd3!
- 1...Kc5
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Rxd3
- 2.Rxd3#
- 1...Ra4
- 2.Bc4#
- 1...Rb4
- 2.Bc4#
- 1...Rc4
- 2.Bxc4#
- 1...Re4
- 2.Bxe4#
- 1...Rf4
- 2.Be4#
- 1...Rg4
- 2.Be4#
- 1...Rh4
- 2.Be4#
- 1...Rd5
- 2.Qf6#
- 1...Kc5
- 1.Bd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 1
- Sets
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Tries
- Try
- K(H);S_FLIGHT
- Threat
- QAR2(F),XR(a)
- Refutation
- K(b);S_FLIGHT
- Try
- K(H);S_FLIGHT
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- K(H);P-FLIGHT
- Threat
- DUALS(2)
- Refutation
- K(b);S_FLIGHT
- Try
- K(H);P-FLIGHT
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Threat
- B(B)
- Vars
- K(b);N_SPINR(a),S_FLIGHT::QAB1(F),XR(a)
- Refutation
- R(a);
- Try
- B(B);
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- B(B);
- Threat
- DUALS(3)
- Refutation
- K(b);N_SPINR(a),S_FLIGHT
- Try
- B(C);
- Vars
- K(b);S_FLIGHT::QAB1(F),XR(a)
- K(b);P-FLIGHT::QAR1(F),XR(a)
- R(a);OGATEB::R(A),XR(a)
- R(a);::QAR2(F)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(C);
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- B(C);
- Vars
- K(b);S_FLIGHT::QAB1(F),XR(a)
- K(b);P-FLIGHT::QAR1(F),XR(a)
- R(a);OGATEB::R(A),XR(a)
- R(a);::QAR2(F)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- B(C);
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- B(C);
- Vars
- K(b);S_FLIGHT::QAB1(F),XR(a)
- K(b);P-FLIGHT::QAR1(F),XR(a)
- R(a);OGATEB::R(A),XR(a)
- R(a);::QAR2(F)
- Refutation
- R(a);N_SPINR(a),XR(A)
- Try
- R(A);
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- R(A);
- Vars
- R(a);N_SPINR(a),XR(A)::QAR2(F)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(F);
- Threat
- DUALS(2)
- Refutation
- P(c);XQ(F)
- Try
- Actual
- B(C);N_PINR(a)
- Vars
- K(b);P_SPINR(a),S_FLIGHT::QAB1(F),XR(a)
- K(b);P-FLIGHT::QAR1(F),XR(a)
- R(a);OGATE,P_SPINR(a),XB(C)::R(A),XR(a)
- R(a);OGATEB::R(A)+B(C)
- R(a);OGATEB::R(A)+B(C),XR(a)
- R(a);OGATEB,P_PINQ(F)::R(A)+B(C)
- R(a);SBLOCK::QAR2(F)
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).