MESON Chess Problem Database
Problem Display
PID: 67536 (2Q5/4B3/3p4/1K2k3/R2b1p2/2N2n2/8/3R3B w - - 0 1)
Lindgren, Bo Waldemar
1st Prize, Canterbury, 1978
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Rd5#
- 2.Re4#
- 1...Bf2
- 2.Rd5#
- 2.Re4#
- 1...Be3
- 2.Rd5#
- 2.Re4#
- 1...Bc5
- 2.Rd5#
- 2.Re4#
- 1...Bb6
- 2.Rd5#
- 2.Re4#
- 1...Ba7
- 2.Rd5#
- 2.Re4#
- 1...Bg1
- Tries
- 1.Bxf3?
- 1...Bxc3
- 2.Rd5#
- 2.Re4#
- 1...Bg1
- 2.Rd5#
- 2.Re4#
- 1...Bf2
- 2.Rd5#
- 2.Re4#
- 1...Be3
- 2.Rd5#
- 2.Re4#
- 1...Bc5
- 2.Rd5#
- 2.Re4#
- 1...Bb6
- 2.Rd5#
- 2.Re4#
- 1...Ba7
- 2.Rd5#
- 2.Re4#
- 1...d5!
- 1...Bxc3
- 1.Re1+?
- 1...Be3
- 2.Re4#
- 1...Sxe1!
- 1...Be3
- 1.Rdxd4?
- threat
- 2.Re4#
- 2.Rd5#
- 1...Sd2
- 2.Rd5#
- 1...Sg5
- 2.Rd5#
- 1...d5
- 2.Rxd5#
- 1...Sxd4+!
- threat
- 1.Raxd4?
- threat
- 2.Re4#
- 2.Rd5#
- 1...Sd2
- 2.Rd5#
- 1...Sg5
- 2.Rd5#
- 1...d5
- 2.Rxd5#
- 1...Sxd4+!
- threat
- 1.Qc4?
- threat
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Kf5!
- threat
- 1.Qg8?
- threat
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Kf5!
- threat
- 1.Bxf3?
- Keys
- 1.Sd5!
- 1...Ke4
- 2.Qe6#
- 1...Kxd5
- 2.Qf5#
- 1...Se1
- 2.Bf6#
- 1...Ba1
- 2.Bf6#
- 1...Bg1
- 2.Bf6#
- 1...Bb2
- 2.Bf6#
- 1...Bf2
- 2.Bf6#
- 1...Bc3
- 2.Bf6#
- 1...Be3
- 2.Bf6#
- 1...Bc5
- 2.Bf6#
- 1...Bb6
- 2.Bf6#
- 1...Ba7
- 2.Bf6#
- 1...Sg1
- 2.Bf6#
- 1...Sd2
- 2.Bf6#
- 1...Sh2
- 2.Bf6#
- 1...Sh4
- 2.Bf6#
- 1...Sg5
- 2.Bf6#
- 1...Ke4
- 1.Sd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 17
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(B);XS(a)
- Refutation
- P(e);
- Try
- R(A);CHECK
- Vars
- B(b);OGATE,P_SPINB(b)::R1(D)
- Refutation
- S(a);XR(A)
- Try
- R(A);XB(b)
- Threat
- DUALS(2)
- Vars
- S(a);::R1(A)
- P(e);::R1(A),XP(e)
- Refutation
- S(a);CHECK,XR(A)
- Try
- R(D);XB(b)
- Threat
- DUALS(2)
- Vars
- S(a);::R1(D)
- P(e);::R1(D),XP(e)
- Refutation
- S(a);CHECK,XR(D)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(e);::QAR1(G),XP(e)
- Refutation
- K(d);P-FLIGHT
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(e);::QAR1(G),XP(e)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- S(C);
- Vars
- K(d);P-FLIGHT,P_SPINB(b),P_SPINS(a)::QAR2(G)
- K(d);P-FLIGHT,P_SPINB(b),P_SPINS(a),XS(C)::QAR2(G)
- S(a);::B(F)
- B(b);::B(F)
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