MESON Chess Problem Database
Problem Display
PID: 11516 (8/5r1p/2pQ2pK/q2n2N1/2Pk2N1/1R3pp1/2Pb1n2/3R1BB1 w - - 0 1)
Neale, Harry R
Swords, WJ
Chess, 1939
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb6
- 2.Rxd2#
- 2.c3#
- 1...Qc7
- 2.Rxd2#
- 2.c3#
- 1...Qd8
- 2.Rxd2#
- 2.c3#
- 1...Qa1
- 2.Rxd2#
- 1...Qa2
- 2.Rxd2#
- 2.c3#
- 1...Qa3
- 2.Rxd2#
- 2.c3#
- 1...Qa4
- 2.Rxd2#
- 2.c3#
- 1...Qb5
- 2.Rxd2#
- 2.c3#
- 1...Qc5
- 2.Rxd2#
- 2.Qe5#
- 2.c3#
- 1...Qa6
- 2.Rxd2#
- 2.c3#
- 1...Qa7
- 2.Rxd2#
- 2.c3#
- 1...Qa8
- 2.Rxd2#
- 2.c3#
- 1...g2
- 2.Bxf2#
- 1...c5
- 2.Qe5#
- 2.Qxd5#
- 1...Qb6
- Tries
- 1.Se5?
- threat
- 2.Sxc6#
- 2.Rd3#
- 1...Qb6
- 2.Rxd2#
- 2.Rd3#
- 1...Qc7
- 2.Rxd2#
- 2.Rd3#
- 1...Qa3
- 2.Sxc6#
- 2.Rxd2#
- 1...Qa4
- 2.Rxd2#
- 2.Rd3#
- 1...Qb5
- 2.Rxd2#
- 2.Rd3#
- 1...Qc5
- 2.Rxd2#
- 2.Rd3#
- 1...Qa6
- 2.Rxd2#
- 2.Rd3#
- 1...Qa8
- 2.Rxd2#
- 2.Rd3#
- 1...Rc7
- 2.Sxf3#
- 2.Rd3#
- 1...c5
- 2.Sc6#
- 2.Rd3#
- 2.Qxd5#
- 1...Qc3!
- threat
- 1.Qc5+?
- 1...Qxc5
- 2.Rxd2#
- 1...Kxc5!
- 1...Qxc5
- 1.Se5?
- Keys
- 1.Qxc6!
- threat
- 2.Rd3#
- 1...Qc3
- 2.Qxd5#
- 1...Qa3
- 2.Rxd2#
- 2.Qxd5#
- 1...Qc5
- 2.Rxd2#
- 1...Sc3
- 2.Rxd2#
- 1...Se3
- 2.Se6#
- 1...Sb4
- 2.c3#
- 1...Sf4
- 2.Sxf3#
- threat
- 1.Qxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- Q(f);N_GUARD::R(A),XB(a)
- P(d);N_GUARD::B(C),XS(b)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Refutation
- Q(f);
- Try
- Q(I);CHECK
- Vars
- Q(f);SBLOCK,XQ(I)::R(A),XB(a)
- Refutation
- K(e);N_SPINB(a),S_FLIGHT,XQ(I)
- Try
- Actual
- Q(I);XP(h)
- Threat
- R1(E)
- Vars
- Q(f);N_GUARD::QAR1(I),XS(g)
- Q(f);N_GUARD::R(A),XB(a)
- S(g);S_CUTQ(f)::R(A),XB(a)
- S(g);N_PINS(H),N_SPINS(b)::S(H)
- S(g);N_GUARD,S_CUTQ(f)::P(D)
- S(g);N_PINS(H)::S(H),XP(c)
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