MESON Chess Problem Database

Problem Display
PID: 170208 (2b5/8/n1Pp1K2/2RP2Q1/1b1kP3/3NpP2/N7/nR3B2 w - - 0 1)

Aschwanden, Reto

Tages-Anzeiger, 1990

2b5/8/n1Pp1K2/2RP2Q1/1b1kP3/3NpP2/N7/nR3B2

#2

11 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc5
      • 2.Rxb4#
    • 1...Sc7
      • 2.Rxb4#
    • 1...Sb8
      • 2.Rxb4#
  • Tries
    • 1.Sdc1?
      • threat
        • 2.Rc4#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Sxc5
        • 2.Rxb4#
      • 1...dxc5
        • 2.Qe5#
      • 1...e2
        • 2.Qg1#
      • 1...Bxc5!
    • 1.Sb2?
      • threat
        • 2.Rc4#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Bxc5
        • 2.Rd1#
      • 1...dxc5
        • 2.Qe5#
      • 1...Sxc5!
    • 1.Sf2?
      • threat
        • 2.Rc4#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Bxc5
        • 2.Rd1#
      • 1...Sxc5
        • 2.Rxb4#
      • 1...dxc5
        • 2.Qe5#
      • 1...e2!
    • 1.Sdxb4?
      • threat
        • 2.Rc4#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...dxc5
        • 2.Rd1#
        • 2.Qe5#
      • 1...e2
        • 2.Qg1#
      • 1...Sxc5!
    • 1.Sf4?
      • threat
        • 2.Rc4#
      • 1...Bxc5
        • 2.Rd1#
      • 1...Sxc5
        • 2.Rxb4#
      • 1...dxc5
        • 2.Qe5#
      • 1...e2
        • 2.Qg1#
      • 1...Kxc5!
    • 1.Se5?
      • threat
        • 2.Rc4#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Bxc5
        • 2.Rd1#
      • 1...Sxc5
        • 2.Rxb4#
      • 1...dxc5!
  • Keys
    • 1.Se1!
      • threat
        • 2.Rc4#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Bxc5
        • 2.Rd1#
      • 1...Sxc5
        • 2.Rxb4#
      • 1...dxc5
        • 2.Qe5#
      • 1...e2
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(e);N_GUARD,XR(G)::R(A),XB(c)
    • S(e);N_GUARD::R(A),XB(c)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(G)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAB(I),XP(b)
        • S(e);N_GUARD,SBLOCK,XR(G)::R(A),XB(c)
        • P(f);N_GUARD,SBLOCK,XR(G)::QAB1(I)
        • P(b);OGATEB::QAB(I)
      • Refutation
        • B(c);XR(G)
    • Try
      • S(D);
      • Threat
        • R1(G)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAB(I),XP(b)
        • B(c);N_GUARD,SBLOCK,XR(G)::R(A)
        • P(f);N_GUARD,SBLOCK,XR(G)::QAB1(I)
      • Refutation
        • S(e);XR(G)
    • Try
      • S(D);
      • Threat
        • R1(G)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAB(I),XP(b)
        • B(c);N_GUARD,SBLOCK,XR(G)::R(A)
        • S(e);N_GUARD,SBLOCK,XR(G)::R(A),XB(c)
        • P(f);N_GUARD,SBLOCK,XR(G)::QAB1(I)
      • Refutation
        • P(b);
    • Try
      • S(D);XB(c)
      • Threat
        • R1(G)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAB(I),XP(b)
        • P(b);OGATEB::QAB(I)
      • Refutation
        • S(e);XR(G)
    • Try
      • S(D);
      • Threat
        • R1(G)
      • Vars
        • B(c);N_GUARD,SBLOCK,XR(G)::R(A)
        • S(e);N_GUARD,SBLOCK,XR(G)::R(A),XB(c)
        • P(f);N_GUARD,SBLOCK,XR(G)::QAB1(I)
        • P(b);OGATEB::QAB(I)
      • Refutation
        • K(d);S_FLIGHT,XR(G)
    • Try
      • S(D);
      • Threat
        • R1(G)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAB(I),XP(b)
        • B(c);N_GUARD,SBLOCK,XR(G)::R(A)
        • S(e);N_GUARD,SBLOCK,XR(G)::R(A),XB(c)
      • Refutation
        • P(f);XR(G)
  • Actual
    • S(D);
    • Threat
      • R1(G)
    • Vars
      • K(d);S_FLIGHT,XR(G)::QAB(I),XP(b)
      • B(c);N_GUARD,SBLOCK,XR(G)::R(A)
      • S(e);N_GUARD,SBLOCK,XR(G)::R(A),XB(c)
      • P(f);N_GUARD,SBLOCK,XR(G)::QAB1(I)
      • P(b);OGATEB::QAB(I)
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