MESON Chess Problem Database
Problem Display
PID: 222722 (1B5K/2R5/8/3P4/4bRQ1/1N1kP1n1/4r3/5B2 w - - 0 1)
Townsend, Alonzo
Charleston Sunday News, 1884
#2
9 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sh1
- 2.Qxe2#
- 1...Sf5
- 2.Qxe2#
- 1...Sh5
- 2.Qxe2#
- 1...Sh1
- Tries
- 1.Bxe2+?
- 1...Kxe3
- 2.Ba7#
- 1...Sxe2!
- 1...Kxe3
- 1.Rf2?
- 1...Bxd5
- 2.Qd4#
- 1...Sxf1
- 2.Qxe2#
- 1...Bh1
- 2.Qd4#
- 1...Bg2
- 2.Qd4#
- 1...Bf3
- 2.Qd4#
- 1...Bf5
- 2.Qd4#
- 1...Bg6
- 2.Qd4#
- 1...Bh7
- 2.Qd4#
- 1...Sh1
- 2.Qxe2#
- 1...Sf5
- 2.Qxe2#
- 1...Sh5
- 2.Qxe2#
- 1...Kxe3!
- 1...Bxd5
- 1.Rxe4?
- 1...Sxe4
- 2.Qxe2#
- 1...Sh1
- 2.Bxe2#
- 1...Sf5
- 2.Bxe2#
- 1...Sh5
- 2.Bxe2#
- 1...Sxf1!
- 1...Sxe4
- 1.Qf3?
- 1...Bxd5
- 2.Rd4#
- 2.e4#
- 1...Sxf1
- 2.Qxe4#
- 1...Bf5
- 2.Rd4#
- 2.e4#
- 1...Bg6
- 2.Rd4#
- 2.e4#
- 1...Bh7
- 2.Rd4#
- 2.e4#
- 1...Sh1
- 2.Bxe2#
- 2.Qxe2#
- 2.Qxe4#
- 1...Sf5
- 2.Bxe2#
- 2.Qxe2#
- 2.Qxe4#
- 1...Sh5
- 2.Bxe2#
- 2.Qxe2#
- 2.Qxe4#
- 1...Bxf3!
- 1...Bxd5
- 1.Qxg3?
- 1...Bxd5
- 2.Rd4#
- 2.e4#
- 1...Bh1
- 2.Rd4#
- 1...Bg2
- 2.Rd4#
- 1...Bf5
- 2.Rd4#
- 2.e4#
- 1...Bg6
- 2.Rd4#
- 2.e4#
- 1...Bh7
- 2.Rd4#
- 2.e4#
- 1...Bf3!
- 1...Bxd5
- 1.Qg7?
- threat
- 2.Rc3#
- 2.Qc3#
- 2.Qd4#
- 1...Sf5
- 2.Rc3#
- 2.Qc3#
- 1...Kxe3!
- threat
- 1.Bxe2+?
- Keys
- 1.Qe6!
- 1...Kxe3
- 2.Rc3#
- 1...Bxd5
- 2.Rd4#
- 1...Sxf1
- 2.Qxe4#
- 1...Bh1
- 2.Rd4#
- 1...Bg2
- 2.Rd4#
- 1...Bf3
- 2.Rd4#
- 1...Bf5
- 2.Rd4#
- 1...Bg6
- 2.Rd4#
- 1...Bh7
- 2.Rd4#
- 1...Sh1
- 2.Qxe4#
- 1...Sf5
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Kxe3
- 1.Qe6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAB1(E),XR(a)
- Tries
- Try
- B(A);CHECK,XR(a)
- Vars
- K(b);P-FLIGHT,XP(C)::B(H)
- Refutation
- S(c);XB(A)
- Try
- R(D);
- Vars
- B(d);OGATE,XP(F)::QAR1(E)
- S(c);N_GUARD,N_SPINR(a),XB(A)::QAB1(E),XR(a)
- B(d);OGATE::QAR1(E)
- S(c);N_GUARD::QAB1(E),XR(a)
- Refutation
- K(b);N_SPINR(a),P-FLIGHT,XP(C)
- Try
- R(D);XB(d)
- Vars
- S(c);N_GUARD,SBLOCK,XR(D)::QAB1(E),XR(a)
- S(c);N_GUARD::B(A),XR(a)
- Refutation
- S(c);N_SPINR(a),XB(A)
- Try
- Q(E);
- Vars
- S(c);N_GUARD,N_SPINR(a),XB(A)::QAB1(E),XB(d)
- Refutation
- B(d);XQ(E)
- Try
- Q(E);XS(c)
- Vars
- B(d);OGATE::R1(D)
- Refutation
- B(d);
- Try
- Q(E);
- Threat
- DUALS(3)
- Refutation
- K(b);N_SPINR(a),P-FLIGHT,XP(C)
- Try
- Actual
- Q(E);
- Vars
- K(b);N_SPINR(a),P-FLIGHT,P_SPINB(d),XP(C)::R(G)
- B(d);OGATE,XP(F)::R1(D)
- S(c);N_GUARD,N_SPINR(a),XB(A)::QAB1(E),XB(d)
- B(d);OGATE::R1(D)
- S(c);N_GUARD::QAB1(E),XB(d)
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