MESON Chess Problem Database
Problem Display
PID: 182587 (8/5p2/4pP2/p1p1R3/B1P1p1p1/2QnKpB1/p2P1P1N/Rq2k1N1 w - - 0 1)
Preiswerk, Walther Edouard
Akademische Monatshefte fur Schach, 1911
#2
12 + 11
| 16108 | Walther Preiswerks Shachprobleme (M. Henneberger) | 1949 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rxd1#
- 1...Sc1
- 2.d3#
- 2.d4#
- 1...Sb2
- 2.d3#
- 2.d4#
- 1...Sxf2
- 2.Bxf2#
- 2.d3#
- 2.d4#
- 1...Sb4
- 2.d3#
- 2.d4#
- 1...Sf4
- 2.d3#
- 2.d4#
- 1...Sxe5
- 2.d3#
- 2.d4#
- 1...Qd1
- Tries
- 1.Rxe4?
- 1...Qxa1
- 2.Kxd3#
- 1...Sxf2
- 2.Kf4#
- 2.Bxf2#
- 2.d3#
- 2.d4#
- 1...Qc1
- 2.Kxd3#
- 1...Qd1
- 2.Kxd3#
- 2.Rxd1#
- 1...Sc1
- 2.d3#
- 2.d4#
- 1...Sb2
- 2.Kf4#
- 2.d3#
- 2.d4#
- 1...Sb4
- 2.Kf4#
- 2.d3#
- 2.d4#
- 1...Sf4
- 2.Kxf4#
- 2.d3#
- 2.d4#
- 1...Se5
- 2.Kf4#
- 2.d3#
- 2.d4#
- 1...e5!
- 1...Qxa1
- 1.Rxe4?
- Keys
- 1.Kxe4!
- 1...Sc1+
- 2.d3#
- 1...Sb2+
- 2.Kf4#
- 2.d3#
- 1...Sxf2+
- 2.Kf4#
- 1...Sb4+
- 2.Kf4#
- 2.d3#
- 1...Sf4+
- 2.Kxf4#
- 2.d3#
- 1...Sxe5+
- 2.d3#
- 1...Qxa1
- 2.Kxd3#
- 1...Qc1
- 2.Kxd3#
- 1...Qd1
- 2.Kxd3#
- 2.Rxd1#
- 1...Sc1+
- 1.Kxe4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(a);OGATE::R1(A),XQ(a)
- Tries
- Try
- R(K);XP(f)
- Vars
- Q(a);N_SPINQ(a),XR(A)::R(K)+K(G),XS(d)
- Q(a);P_PINP(C)::R(K)+K(G),XS(d)
- Refutation
- P(j);
- Try
- Actual
- K(G);P-FLIGHT,XP(f)
- Vars
- S(d);CHECK,N_SPINQ(a),OGATE::QAB(F)+P(C)
- S(d);CHECK,P_SPINS(d),XP(D)::R(K)+K(G)
- S(d);CHECK,OGATE,XR(K)::QAB(F)+P(C)
- Q(a);N_SPINQ(a),XR(A)::R(K)+K(G),XS(d)
- Q(a);::R(K)+K(G),XS(d)
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