MESON Chess Problem Database

Problem Display
PID: 179230 (8/8/2B5/r2p1p2/3NP3/1Qnk1N2/4R1K1/8 w - - 0 1)

Kazimov, Islam

Phenix, 2012

8/8/2B5/r2p1p2/3NP3/1Qnk1N2/4R1K1/8

#2

7 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bb5#
    • 1...Ra2
      • 2.Bb5#
    • 1...Ra3
      • 2.Bb5#
    • 1...Rb5
      • 2.Bxb5#
    • 1...Ra6
      • 2.Bb5#
    • 1...Ra7
      • 2.Bb5#
    • 1...Ra8
      • 2.Bb5#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Re3#
      • 1...Ra2
        • 2.Bb5#
      • 1...f4!
    • 1.Se6?
      • threat
        • 2.Sf4#
      • 1...f4
        • 2.Sxf4#
      • 1...Kxe2!
    • 1.Bxd5?
      • threat
        • 2.Bc4#
        • 2.Qc2#
        • 2.Qc4#
      • 1...Ra2
        • 2.Bc4#
        • 2.Qc4#
      • 1...Ra4
        • 2.Qc2#
      • 1...Rc5
        • 2.Qc2#
      • 1...Rxd5!
    • 1.Qb4?
      • threat
        • 2.Se1#
        • 2.Se5#
      • 1...dxe4
        • 2.Se1#
      • 1...Ra1
        • 2.Se5#
      • 1...Sxe2!
  • Keys
    • 1.Sxf5!
      • threat
        • 2.Re3#
      • 1...Kxe2
        • 2.Qc2#
      • 1...Ra2
        • 2.Bb5#
      • 1...d4
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(c);N_GUARD::B(G)
    • R(c);N_GUARD,P_PINR(A)::B(G)
    • R(c);N_GUARD::B(G),XR(c)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • R1(A)
      • Vars
        • R(c);N_GUARD,P_PINR(A)::B(G)
      • Refutation
        • P(e);
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • P(e);::S(E),XP(e)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT,XR(A)
    • Try
      • B(G);XP(d)
      • Threat
        • DUALS(3)
      • Vars
        • R(c);::QAB1(C)
      • Refutation
        • R(c);XB(G)
    • Try
      • Q(C);N_PINS(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);XP(F)::S(D)
        • R(c);::S(D)
      • Refutation
        • S(a);XR(A)
  • Actual
    • S(E);XP(e)
    • Threat
      • R1(A)
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT,XR(A)::QAR2(C)
      • R(c);N_GUARD,P_PINR(A)::B(G)
      • P(d);::R1(A)
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