MESON Chess Problem Database
Problem Display
PID: 249918 (b2n4/8/3PrN1q/Bp1R2QP/2k5/RN1p4/1p1PPP1b/2n4K w - - 0 1)
Schneider, Johann Bernhard Michael
Deutsche Schachzeitung, 1969
#2
12 + 10
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Sa2
- 2.exd3#
- 1...Sxb3
- 2.exd3#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- 1...Re4
- Tries
- 1.Kxh2?
- threat
- 2.Rd4#
- 2.Rc5#
- 1...Qxg5
- 2.Rd4#
- 1...Qxf6
- 2.Rc5#
- 1...Rxd6
- 2.Rc5#
- 1...Bxd5
- 2.Qxd5#
- 1...Sxe2
- 2.Rc5#
- 1...Sxb3
- 2.exd3#
- 1...dxe2
- 2.Rd4#
- 1...Re4
- 2.Rc5#
- 1...Re5
- 2.Rd4#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- 1...Qxh5+!
- threat
- 1.Se4?
- threat
- 2.Rd4#
- 2.Rc5#
- 1...Qxg5
- 2.Rd4#
- 1...Rxe4
- 2.Rc5#
- 1...Rxd6
- 2.Rc5#
- 1...Bxd6
- 2.Rd4#
- 1...Sxe2
- 2.Rc5#
- 1...Sxb3
- 2.exd3#
- 1...dxe2
- 2.Rd4#
- 1...Re5
- 2.Rd4#
- 1...Be5
- 2.Rc5#
- 1...Qg7
- 2.Rc5#
- 1...Qf6
- 2.Rc5#
- 1...Qh8
- 2.Rc5#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- 1...Bxd5!
- threat
- 1.Qg2?
- threat
- 2.Rd4#
- 2.Rc5#
- 1...Qxh5
- 2.Rd4#
- 1...Qxf6
- 2.Rc5#
- 1...Rxd6
- 2.Rc5#
- 2.Qe4#
- 1...Bxd6
- 2.Rd4#
- 1...Bxd5
- 2.Qxd5#
- 1...Sxe2
- 2.Rc5#
- 1...Sxb3
- 2.exd3#
- 1...dxe2
- 2.Rd4#
- 1...Qf4
- 2.Rc5#
- 1...Qg5
- 2.Rd4#
- 1...Re4
- 2.Rc5#
- 2.Qxe4#
- 1...Re5
- 2.Rd4#
- 1...Be5
- 2.Rc5#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- 1...b4
- 2.Rc5#
- 1...Qe3!
- threat
- 1.e4?
- threat
- 2.Rd4#
- 2.Rc5#
- 1...Qxg5
- 2.Rd4#
- 1...Qxf6
- 2.Rc5#
- 1...Rxe4
- 2.Rc5#
- 1...Rxd6
- 2.Rc5#
- 1...Bxd6
- 2.Rd4#
- 1...Bxd5
- 2.Qxd5#
- 1...Re5
- 2.Rd4#
- 1...Be5
- 2.Rc5#
- 1...Se2
- 2.Rc5#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- 1...Sxb3!
- threat
- 1.f3?
- threat
- 2.Rd4#
- 2.Rc5#
- 1...Qxg5
- 2.Rd4#
- 1...Qxf6
- 2.Rc5#
- 1...Rxd6
- 2.Rc5#
- 1...Bxd6
- 2.Rd4#
- 1...Bxd5
- 2.Qxd5#
- 1...Sxe2
- 2.Rc5#
- 1...Sxb3
- 2.exd3#
- 1...dxe2
- 2.Rd4#
- 1...Re4
- 2.Rc5#
- 1...Re5
- 2.Rd4#
- 1...Be5
- 2.Rc5#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- 1...Bg1!
- threat
- 1.Kxh2?
- Keys
- 1.Bc3!
- threat
- 2.Sa5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Sxb3
- 2.exd3#
- 1...Sc6
- 2.Rc5#
- 1...Sb7
- 2.Rd4#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(g);N_PINR(H)::R1(H)
- B(i);CHECK,OGATE,XR(H)::QAB1(I),XB(i)
- S(a);N_GUARD::P(C),XP(d)
- S(a);N_GUARD,XS(F)::P(C),XP(d)
- S(j);N_PINR(H)::R1(H)
- Tries
- Try
- K(A);N_SPINR(H),P-FLIGHT,P_SPINP(J),XB(c)
- Threat
- DUALS(2)
- Vars
- Q(h);N_PINP(J),XQ(I)::R1(H)
- Q(h);N_PINP(J),XS(L)::R1(H)
- R(g);XP(K)::R1(H)
- B(i);OGATE,XR(H)::QAB1(I),XB(i)
- S(a);XP(C)::R1(H)
- S(a);N_GUARD,XS(F)::P(C),XP(d)
- P(d);XP(C)::R1(H)
- R(g);::R1(H)
- S(j);::R1(H)
- Refutation
- Q(h);CHECK,XP(J)
- Try
- S(L);N_SPINR(H)
- Threat
- DUALS(2)
- Vars
- Q(h);XQ(I)::R1(H)
- R(g);XS(L)::R1(H)
- R(g);XP(K)::R1(H)
- B(c);P_PINP(J),XP(K)::R1(H)
- S(a);XP(C)::R1(H)
- S(a);N_GUARD,XS(F)::P(C),XP(d)
- P(d);XP(C)::R1(H)
- R(g);::R1(H)
- B(c);P_PINP(J)::R1(H)
- Q(h);::R1(H)
- S(j);::R1(H)
- Refutation
- B(i);P_PINS(L),XR(H)
- Try
- Q(I);N_SPINR(H)
- Threat
- DUALS(2)
- Vars
- Q(h);XP(J)::R1(H)
- Q(h);XS(L)::R1(H)
- B(c);P_PINP(J),XP(K)::R1(H)
- B(i);OGATE,P_PINQ(I),XR(H)::QAB1(I),XB(i)
- S(a);XP(C)::R1(H)
- S(a);N_GUARD,XS(F)::P(C),XP(d)
- P(d);XP(C)::R1(H)
- Q(h);::R1(H)
- R(g);::R1(H)
- B(c);P_PINP(J)::R1(H)
- S(j);::R1(H)
- P(f);::R1(H)
- Refutation
- Q(h);
- Try
- P(C);N_SPINR(H)
- Threat
- DUALS(2)
- Vars
- Q(h);XQ(I)::R1(H)
- Q(h);XS(L)::R1(H)
- R(g);XP(C)::R1(H)
- R(g);XP(K)::R1(H)
- B(c);P_PINP(J),XP(K)::R1(H)
- B(i);OGATE,P_PINP(C),XR(H)::QAB1(I),XB(i)
- R(g);::R1(H)
- B(c);P_PINP(J)::R1(H)
- S(a);::R1(H)
- S(j);::R1(H)
- Refutation
- S(a);XS(F)
- Try
- P(D);N_SPINR(H)
- Threat
- DUALS(2)
- Vars
- Q(h);XQ(I)::R1(H)
- Q(h);XS(L)::R1(H)
- R(g);XP(K)::R1(H)
- B(c);P_PINP(J),XP(K)::R1(H)
- B(i);OGATE,P_PINP(D),XR(H)::QAB1(I),XB(i)
- S(a);XP(C)::R1(H)
- S(a);N_GUARD,XS(F)::P(C),XP(d)
- P(d);XP(C)::R1(H)
- R(g);::R1(H)
- B(c);P_PINP(J)::R1(H)
- S(j);::R1(H)
- Refutation
- B(c);P_PINP(J)
- Try
- Actual
- B(G);
- Threat
- S(F)
- Vars
- B(i);CHECK,OGATE,XR(H)::QAB1(I),XB(i)
- S(a);N_GUARD,XS(F)::P(C),XP(d)
- S(j);N_PINR(H)::R1(H)
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